Number Manipulation IV

Curated by : goc3

Average Problem Difficulty:

Now, try to not get these out of order while rearranging.

Community Group Solver

+50 points

Problem Title	Likes	Solvers
Problem 44523. Pattern Sum Created by: Dishant Varshney Tags sequences, series, sum	2	220
Problem 44071. Smallest n, for n! to have m trailing zero digits Created by: Jihye Sofia Seo Tags integer, factorial, factorisation	1	52
Problem 44637. Still more miles to go before I sleep Created by: James Tags odometer, number bases	7	47
Problem 721. Convert from Base 10 to base 5 Created by: Reza Ahmadzadeh Tags mathematics	2	264
Problem 44682. Numbers on 7-segment Created by: Majid Farzaneh Tags matrix, digits, 7-segment	3	82
Problem 44705. Expand 10^n to Powers of 4 Created by: J. S. Kowontan Tags pyramid, combination, number triangle	5	42
Problem 44768. Muphry's Law of MATLAB Created by: James Tags incorrect data, murphy's law, muphry's law	3	40
Problem 44785. Lunar Arithmetic (Addition) Created by: Mehmet OZC Tags addition, varargin, lunar arithmetic	1	55
Problem 44786. Lunar Arithmetic (Multiplication) Created by: Mehmet OZC Tags multiplication, lunar arithmetic, lunar	5	45
Problem 44856. Permutation Via Multiplication Created by: Daniel Bergman Tags digits	1	50
Problem 44067. The last non-zero digit of a factorial Created by: Jihye Sofia Seo Tags factorial	1	71
Problem 44068. The number of trailing zero digit of a factorial Created by: Jihye Sofia Seo Tags integer, number theory, factorial	3	61
Problem 2498. Whole Number Concatenator Created by: Peter Cook Tags varargin, concatenate, cat	1	77
Problem 2501. Whole Number Un-Concatenator Created by: Peter Cook Tags integers, concatenate, cat	0	72
Problem 1951. Better Index Number Created by: Shaun VanWeelden Tags indexing, index, save	2	84

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Recent Activity

	kaustubh submitted Solution 14615371 to Problem 44067. The last non-zero digit of a factorial 13 hours and 52 minutes ago
	kaustubh submitted Solution 14615367 to Problem 1951. Better Index Number 13 hours and 54 minutes ago
	kaustubh submitted Solution 14615366 to Problem 2501. Whole Number Un-Concatenator 13 hours and 55 minutes ago
	Pauli Huusari submitted Solution 14613236 to Problem 44786. Lunar Arithmetic (Multiplication) on 18 Apr 2025 at 10:46
	Jacob Ward submitted Solution 14547217 to Problem 1951. Better Index Number on 13 Feb 2025

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