 Under Prime magic (in Numbers)
Posted on 2018-09-29 (4 Comments) |
 |  solution(?) by Justin (2018-09-29 16:11:21) |
 Under Bullseye (in Logic)
Posted on 2013-06-25 (1 Comments) |
|  solution by Justin (2013-06-29 10:22:15) |
Under Lovely Fibonacci (in Just Math)
Posted on 2013-05-11 (2 Comments) |
| re: Counterexamples by Justin (2013-07-06 23:33:26) |
 Under Once a Liar, Always a Liar 2 (in Logic)
Posted on 2012-01-29 (2 Comments) |
| solution by Justin (2012-01-29 11:49:00) |
Under Factorial Quotient (in Just Math)
Posted on 2011-11-19 (4 Comments) |
| re: Better solution? (spoiler) by Justin (2011-11-20 20:19:17) |
| solution by Justin (2011-11-20 16:37:48) |
Under Frog Frolics (in Numbers)
Posted on 2011-11-15 (6 Comments) |
| re: Some more thoughts and more questions by Justin (2011-11-16 20:41:03) |
Under Coded Crossword (in Cryptography)
Posted on 2011-10-10 (1 Comments) |
| Solution by Justin (2011-10-16 21:54:16) |
Under Sum, Times, I Wonder..(3) (in Numbers)
Posted on 2011-08-27 (1 Comments) |
| solution by Justin (2011-10-22 14:15:50) |
Under Super Ken (in Numbers)
Posted on 2011-03-03 (2 Comments) |
| solution (no explanation) by Justin (2011-03-04 10:10:53) |
Under Never prime! (3) (in Probability)
Posted on 2011-02-25 (1 Comments) |
| solution by Justin (2011-03-02 09:58:41) |
Under Failure to Communicate (in Probability)
Posted on 2011-02-04 (2 Comments) |
| solution by Justin (2011-02-04 14:21:46) |
Under Forty- niners (in Numbers)
Posted on 2011-02-01 (7 Comments) |
| solution? by Justin (2011-02-01 15:18:34) |
Under Happy New Year (in Numbers)
Posted on 2011-01-01 (9 Comments) |
| best I can do by Justin (2011-01-01 13:29:41) |
Under Some strings attached (in Just Math)
Posted on 2010-12-19 (2 Comments) |
| solution by Justin (2010-12-19 16:57:55) |
Under Weights that check themselves. (in Weights and Scales)
Posted on 2010-11-23 (6 Comments) |
| re(2): solution by Justin (2010-11-24 06:54:57) |
| solution by Justin (2010-11-24 05:21:23) |
Under Sum Celebrity Concerns II (in Numbers)
Posted on 2010-10-22 (1 Comments) |
| solution by Justin (2011-10-23 02:08:28) |
Under Oodles of Factors II (in Numbers)
Posted on 2010-10-11 (8 Comments) |
| re: thoughts on part B by Justin (2010-10-11 15:05:07) |
Under Three forever (in Tricks)
Posted on 2010-09-30 (5 Comments) |
| solution by Justin (2010-09-30 15:27:31) |
 Under Full Set of Calendars (in General)
Posted on 2010-09-17 (3 Comments) |
| solution by Justin (2010-09-17 13:49:09) |
Under 12 chairs (in General)
Posted on 2010-09-14 (5 Comments) |
| solution by Justin (2010-09-14 13:28:23) |
Under Slowing by snowing (in Numbers)
Posted on 2010-09-13 (6 Comments) |
| solution by integration by Justin (2010-09-13 15:24:37) |
Under Four sevens and one one. (in Numbers)
Posted on 2010-09-06 (8 Comments) |
|  question by Justin (2010-09-06 15:53:00) |
Under Never prime! (2) (in Numbers)
Posted on 2010-09-04 (4 Comments) |
| re(2): solution by Justin (2010-09-05 17:01:28) |
| solution by Justin (2010-09-04 19:44:21) |
Under Nostra culpa (in Numbers)
Posted on 2010-09-03 (6 Comments) |
| solution by Justin (2010-09-03 15:00:53) |
Under Factorionids (in Numbers)
Posted on 2010-08-28 (3 Comments) |
| solution by Justin (2010-08-28 22:24:05) |
Under Wacko Calculator II (in Just Math)
Posted on 2010-08-27 (3 Comments) |
| solution? by Justin (2010-08-31 17:02:17) |
Under At Least Three Difference (in Numbers)
Posted on 2010-08-04 (13 Comments) |
| solution by Justin (2010-08-04 23:43:34) |
Under Ramanujan enforced. (in Numbers)
Posted on 2010-08-02 (5 Comments) |
| re(2): computer solution by Justin (2010-08-02 16:34:03) |
| computer solution by Justin (2010-08-02 15:18:11) |
Under (x!+1)/(x+1) = prime number (in Probability)
Posted on 2010-07-30 (9 Comments) |
| re: mathematica solutions (so far) by Justin (2010-07-31 03:57:51) |
| re: computer can't go that high by Justin (2010-07-30 17:55:26) |
Under POWER CHAIN. (in Sequences)
Posted on 2010-07-22 (7 Comments) |
| I'll get us started ... by Justin (2010-07-22 15:34:44) |
| re: Further conditions? by Justin (2010-07-22 14:48:20) |
Under Restoring the erased (in Just Math)
Posted on 2010-07-14 (21 Comments) |
| Assurance it is ... by Justin (2010-07-20 14:18:14) |
| solution for n=12 by Justin (2010-07-19 22:36:13) |
| re(2): Low 300s ?? by Justin (2010-07-17 14:24:12) |
| running some numbers ... by Justin (2010-07-16 00:53:57) |
Under Chemical Relativity (in Science)
Posted on 2010-03-22 (2 Comments) |
| solution by Justin (2010-03-23 22:26:56) |
Under In Harmony with averages (in Numbers)
Posted on 2010-03-12 (2 Comments) |
| solution by Justin (2010-03-12 15:38:05) |
Under Candy Concerns (in Just Math)
Posted on 2010-02-23 (2 Comments) |
| re: solution-spoiler by Justin (2010-02-23 13:18:01) |
Under Triangle 'magic' (in Numbers)
Posted on 2010-02-19 (6 Comments) |
| re(3): second challenge (spoiler) by Justin (2010-02-20 20:02:45) |
| re: second challenge (spoiler) by Justin (2010-02-20 16:44:41) |
| first challenge by Justin (2010-02-20 05:48:58) |
| seven same sums by Justin (2010-02-20 04:46:22) |
Under Ordinal Days (in Numbers)
Posted on 2010-02-17 (5 Comments) |
| re: SPOILER by Justin (2010-02-17 15:01:26) |
Under Hotter and hotter (in Numbers)
Posted on 2010-02-08 (11 Comments) |
| re: Indecision by Justin (2010-02-08 21:59:20) |
Under Lucky seven (in Numbers)
Posted on 2010-02-05 (6 Comments) |
| solution by Justin (2010-02-05 14:02:04) |
Under Curious Candidate Concern (in Logic)
Posted on 2010-02-02 (3 Comments) |
| solution by Justin (2010-02-02 13:03:43) |
Under Integer Pair and Prime Constant II (in Just Math)
Posted on 2010-01-23 (3 Comments) |
| computer solution by Justin (2010-01-24 16:12:14) |
Under S(2*N) ≤ 2*S(N) ≤ 10*S(2*N) (in Just Math)
Posted on 2010-01-16 (2 Comments) |
| solution (kind of) by Justin (2010-01-16 16:41:32) |
Under Scene Seen Neatly (in Numbers)
Posted on 2010-01-10 (4 Comments) |
| somewhat analytical solution by Justin (2010-01-10 19:06:13) |
Under Prime Hopscotch (in Numbers)
Posted on 2010-01-06 (17 Comments) |
| re: continuing on with the by Justin (2010-01-07 02:14:48) |
| re: left down by Justin (2010-01-06 15:48:43) |
| Solution to left and right by Justin (2010-01-06 15:40:20) |
Under Pandigital ABCs (in Numbers)
Posted on 2009-12-28 (5 Comments) |
| Part 2 solution by Justin (2009-12-28 19:53:52) |
| re: Part 2: Trivial (?) solutions by Justin (2009-12-28 19:33:34) |
Under Infinitely Continued II (in Just Math)
Posted on 2009-12-27 (1 Comments) |
| solution by Justin (2009-12-29 16:16:00) |
Under (q2 + 1)/(pq -1) = Integer (in Just Math)
Posted on 2009-12-25 (2 Comments) |
| Computer Solution by Justin (2009-12-25 19:52:20) |
Under Palindromic and Tautonymic II (in Numbers)
Posted on 2009-12-20 (4 Comments) |
| computer solution to part I by Justin (2009-12-20 14:03:45) |
Under A Numeric Mix (in Numbers)
Posted on 2009-12-19 (3 Comments) |
| Solution with explanation by Justin (2009-12-19 16:58:33) |
Under Square and Consecutive Cubes (in Just Math)
Posted on 2009-12-17 (4 Comments) |
| re: A start! by Justin (2009-12-17 16:21:44) |
Under No Addition Allowed (in Numbers)
Posted on 2009-12-14 (6 Comments) |
| Additional Solutions by Justin (2009-12-14 20:06:50) |
Under Minimum Heron Median (in Geometry)
Posted on 2009-12-13 (3 Comments) |
| re(2): Computer Solution by Justin (2009-12-14 02:32:06) |
| Computer Solution by Justin (2009-12-13 19:16:32) |
Under Bold Minimum (in Just Math)
Posted on 2009-12-12 (4 Comments) |
| re(2): solution by Justin (2009-12-12 19:45:08) |
Under Fair Fairy Fare (in Probability)
Posted on 2009-12-10 (4 Comments) |
| re: Fenceposts? Beta test version by Justin (2009-12-10 21:31:28) |
Under 5-Digit Squares (in Numbers)
Posted on 2009-12-06 (6 Comments) |
| Computer solution by Justin (2009-12-06 21:34:31) |
Under 2/5 ≤ m/n ≤ 3/5 (in Just Math)
Posted on 2009-10-20 (7 Comments) |
| re(2): Eureka! (spoiler) by Justin (2009-12-07 04:33:40) |
Under Lotto Losers (in Numbers)
Posted on 2007-04-23 (9 Comments) |
| The solution is ... by Justin (2007-04-23 14:40:41) |
Under 4x4 Sudoku (in Logic)
Posted on 2007-03-19 (5 Comments) |
| Unless I'm mistaken by Justin (2007-03-19 22:33:04) |
Under What Is The Number? (in Logic)
Posted on 2007-03-16 (13 Comments) |
| My thinking ... by Justin (2007-03-16 14:36:00) |
Under Odd-Even Logidoku (in Logic)
Posted on 2007-01-05 (26 Comments) |
| I like it! by Justin (2007-01-06 00:17:43) |
Under All the Nines (in Logic)
Posted on 2006-12-25 (9 Comments) |
| solution (finally) by Justin (2006-12-26 03:17:01) |
Under From Six To One (in Numbers)
Posted on 2006-10-31 (9 Comments) |
| i miss ... by Justin (2006-11-01 13:40:56) |
Under Another Divisibility Puzzle (in Just Math)
Posted on 2006-09-25 (6 Comments) |
| solution (part 2) by Justin (2006-09-25 13:45:01) |
| solution (part I) by Justin (2006-09-25 12:01:13) |
Under 1 Palindrome 1 (in Just Math)
Posted on 2006-06-10 (9 Comments) |
| re: question by Justin (2006-06-10 18:44:54) |
| partial solution by Justin (2006-06-10 17:30:17) |
Under Classical Rules 2 (in Numbers)
Posted on 2006-04-20 (4 Comments) |
| One Solution by Justin (2006-05-27 23:30:23) |
Under An Occupied And Vacant Squares Problem (in Games)
Posted on 2006-03-19 (4 Comments) |
| re: conditions by Justin (2006-03-20 10:06:52) |
Under Factorial Sequence II (in Just Math)
Posted on 2006-03-10 (4 Comments) |
| clarification by Justin (2006-03-13 09:30:12) |
Under I don't know. (in Cryptography)
Posted on 2006-02-16 (53 Comments) |
| re: Solution by Justin (2006-02-17 19:32:22) |
Under Bouncy Bouncy Part 1 (in Geometry)
Posted on 2006-02-08 (11 Comments) |
| re: solution start by Justin (2006-02-08 09:57:03) |
Under Square of Triangles (in Shapes)
Posted on 2006-02-04 (21 Comments) |
| My thoughts by Justin (2006-02-06 10:44:04) |
Under Trisected Triangle (in Just Math)
Posted on 2006-02-03 (14 Comments) |
| re(4): Solution by Justin (2006-02-03 22:20:33) |
| re(2): Solution by Justin (2006-02-03 20:22:31) |
| Solution by Justin (2006-02-03 17:20:02) |
Under Dafoe, The Lone Entrepreneur (in Just Math)
Posted on 2006-01-30 (23 Comments) |
| re(8): Now we have a problem(?) by Justin (2006-02-03 22:41:26) |
| re(6): Now we have a problem(?) by Justin (2006-02-03 19:40:17) |
| re(4): Now we have a problem(?) by Justin (2006-02-03 17:50:50) |
| re(2): Now we have a problem(?) by Justin (2006-02-03 12:29:07) |
| Now we have a problem(?) by Justin (2006-02-02 10:47:24) |
Under Match The Years (in General)
Posted on 2006-01-22 (16 Comments) |
|  1776 by Justin (2006-01-22 11:57:55) |
| Why not 1960 to 2571 or 1987 to 2599? by Justin (2006-01-22 11:34:09) |
| solution by Justin (2006-01-22 11:25:40) |
| computer solution achieved (not posted here) by Justin (2006-01-22 10:58:33) |
Under Evil math (in Just Math)
Posted on 2006-01-21 (12 Comments) |
| 2nd row, 2nd one by Justin (2006-01-21 17:15:11) |
| 2nd row, 1st one by Justin (2006-01-21 17:11:26) |
Under Stupid number trick IV (in Numbers)
Posted on 2006-01-13 (23 Comments) |
| any suggestions? by Justin (2006-02-03 23:11:23) |
| *sniff* (20 billion and no further) (starts crying) by Justin (2006-02-03 19:05:00) |
| 14 billion and climbing by Justin (2006-01-24 11:04:28) |
| Nothing better to do (Up to 1 billion) by Justin (2006-01-21 14:31:03) |
| Sick of re(...), but here you go by Justin (2006-01-20 23:45:57) |
| re(6): Going further (520,000,000+) by Justin (2006-01-20 13:44:27) |
| Interesting . . . . . . . . by Justin (2006-01-20 13:41:34) |
| re(4): Going further (520,000,000+) by Justin (2006-01-20 12:58:41) |
| re(2): Going further (520,000,000+) by Justin (2006-01-20 09:05:18) |
| Going further (520,000,000+) by Justin (2006-01-19 14:01:40) |
| re: Answer by Justin (2006-01-19 13:49:01) |
Under Stupid number trick III (in Numbers)
Posted on 2006-01-11 (11 Comments) |
|  other suggestions by Justin (2006-01-13 11:15:24) |
| higher values by Justin (2006-01-13 11:10:00) |
Under Basic knowledge (in Sequences)
Posted on 2006-01-10 (5 Comments) |
| Yep by Justin (2006-03-17 19:26:34) |
Under One Away (in Cryptography)
Posted on 2005-12-30 (27 Comments) |
| re: Useless idea's #173 by Justin (2006-02-06 12:22:34) |
Under Bright Houses (in Logic)
Posted on 2005-10-08 (13 Comments) |
| Solution by Justin (2005-10-08 03:55:26) |
Under Leave a different letter (in Tricks)
Posted on 2005-09-28 (19 Comments) |
| Or maybe...... by Justin (2005-09-29 18:41:49) |
Under Five Fives (in Numbers)
Posted on 2005-09-18 (395 Comments) |
| re: 979-1000 by Justin (2006-02-18 21:05:02) |
| 956-978 by Justin (2006-02-08 10:22:51) |
| No Subject by Justin (2006-02-08 10:17:34) |
| 851-955 by Justin (2006-02-07 09:39:22) |
| re(2): i liked it (821-850) by Justin (2006-02-05 14:02:49) |
| 778 by Justin (2006-02-05 09:37:06) |
| re(2): No Subject (I think not) by Justin (2006-02-04 22:56:13) |
| re: 806 by Justin (2006-02-04 15:44:20) |
| Primorials help by Justin (2006-02-04 15:42:29) |
| New hope (779 is solved)! by Justin (2006-02-03 21:21:02) |
Under Where is the White King? (in Games)
Posted on 2005-08-05 (22 Comments) |
| Wrong solution? by Justin (2005-10-08 18:12:02) |
Under Circular Fun (in Shapes)
Posted on 2005-07-28 (19 Comments) |
| Requested solution by Justin (2006-01-20 09:09:02) |
Under Battleships (in Games)
Posted on 2005-07-24 (13 Comments) |
| re: Density by Justin (2005-07-24 19:26:08) |
| My technique by Justin (2005-07-24 03:46:37) |
Under My favorite numbers (in Numbers)
Posted on 2005-07-22 (13 Comments) |
| re: answer ("....4 different positive integers") by Justin (2005-08-27 03:52:46) |
Under Digit Sequence (in Sequences)
Posted on 2005-06-28 (16 Comments) |
| Thank you computers! by Justin (2005-07-08 21:15:32) |
Under Reasonably Rational Sequence (in Sequences)
Posted on 2005-06-02 (6 Comments) |
| Interesting by Justin (2005-06-03 13:19:04) |
Under Divisibility by 7 (in Just Math)
Posted on 2005-05-22 (8 Comments) |
| re: Divisible by 7 by Justin (2005-05-22 17:02:50) |
 Under 3 points colinear? No way! (in Just Math)
Posted on 2005-05-19 (14 Comments) |
| re: Theoretical limits reachable? by Justin (2005-05-19 17:25:00) |
Under At the Airport (in Word Problems)
Posted on 2005-05-19 (13 Comments) |
| Solution by Justin (2005-05-19 15:05:05) |
Under Six-Sided Snowflakes (in General)
Posted on 2005-05-16 (7 Comments) |
| My solution by Justin (2005-05-22 03:25:38) |
| re: Stupid answer by Justin (2005-05-22 03:16:47) |
Under Snow Splash (in Shapes)
Posted on 2005-05-15 (8 Comments) |
| Solution by Justin (2005-05-15 18:53:08) |
Under 50 - Digit Number II (in Numbers)
Posted on 2005-05-13 (12 Comments) |
| re: A systematic approach by Justin (2005-05-13 21:18:35) |
Under Line up (in Games)
Posted on 2005-05-06 (16 Comments) |
| solution by Justin (2005-05-15 02:59:03) |
| re(3): N=4? probably not by Justin (2005-05-14 01:53:55) |
| N=3;N=4;N=5 by Justin (2005-05-13 23:56:32) |
| re: N=4? probably not by Justin (2005-05-13 23:33:36) |
Under Make it solvable (in Numbers)
Posted on 2005-05-05 (18 Comments) |
| Answer? by Justin (2005-05-15 05:46:54) |
Under Find the Numbers missing (in Numbers)
Posted on 2005-04-28 (18 Comments) |
| re: got it by Justin (2005-05-13 22:19:56) |
Under B-Palindromes (in Numbers)
Posted on 2004-02-25 (11 Comments) |
| Smallest? by Justin (2006-04-10 08:07:03) |
| 19 digits and falling by Justin (2006-04-04 10:19:04) |
| Better idea by Justin (2006-04-04 09:36:22) |
| Smaller solution by Justin (2006-03-17 10:04:09) |
Under Calculation Mistake (in Just Math)
Posted on 2003-11-19 (8 Comments) |
| re: a short one by Justin (2005-05-21 02:02:28) |
Under Make the least of these digits (in Numbers)
Posted on 2003-04-13 (68 Comments) |
| re: Solution by Justin (2006-03-17 21:05:25) |
| re: That's it. This is the SMALLEST. I got it. by Justin (2006-03-17 20:49:09) |
| re: What's wrong by Justin (2006-03-17 20:01:09) |
Under Composite numbers (in Numbers)
Posted on 2003-03-05 (23 Comments) |
| just because ... by Justin (2010-08-01 11:04:37) |
Under Zero to 150 in 2003 (in Numbers)
Posted on 2002-11-29 (65 Comments) |
| Solution by Justin (2005-05-15 03:35:46) |
