perplexus.info :: Numbers : Using its own digits

Using its own digits (Posted on 2018-05-31)

a.What two-digit number equals the product of units' digit by the factorial of tens' digit?
b. What if a non-decimal system (base below ten) were allowed?

See The Solution Submitted by Ady TZIDON

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Subject	Author	Date
re: beyond base 10, analytical solution	Daniel	2018-06-01 11:35:36
re(5): beyond base 10, continued	Charlie	2018-06-01 10:48:21
re(4): beyond base 10, analytical solution....TBC	Charlie	2018-06-01 10:43:51
re(3): beyond base 10, analytical solution....TBC	Charlie	2018-06-01 10:12:25
re(2): beyond base 10, analytical solution....TBC	Charlie	2018-06-01 08:45:40
spoiler	xdog	2018-06-01 08:13:40
re: beyond base 10, analytical solution....TBC	Ady TZIDON	2018-06-01 04:14:13
beyond base 10, analytical solution	Daniel	2018-05-31 23:55:17
computer solution	Charlie	2018-05-31 14:31:30

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