# Problems

1 – 24 of 24
 Problem Title Likes Solvers Difficulty

#### Problem 2492. Factorions: Numbers that equal the sum of the factorials of their digits

Created by: Peter Cook

2

64

#### Problem 45184. factorial

Created by: Sinh Luong

0

59

#### Problem 46648. Factorial

Created by: Payam Morsali

0

83

#### Problem 42267. factorial of a number x

Created by: vinayak patil

Tags factorial

1

318

#### Problem 2047. Find Factrorial without using built-in function

Tags factorial, fact

0

128

#### Problem 45189. Double Factorial

Created by: Mehmet OZC

2

59

#### Problem 45770. Approximate functions 1 (★★★)

Created by: Anirban Pal

0

41

#### Problem 1854. Factorial: Unlimited Size : java.math

Created by: Richard Zapor

0

38

0

9

#### Problem 44067. The last non-zero digit of a factorial

Created by: Jihye Sofia Seo

Tags factorial

1

64

#### Problem 2114. Factorial Numbers

Created by: Petr Dostal

3

387

#### Problem 43968. Concatenated roots

Created by: Daniel Pereira

3

36

#### Problem 44068. The number of trailing zero digit of a factorial

Created by: Jihye Sofia Seo

3

54

#### Problem 1532. SLP Calculation

Created by: Richard Zapor

2

7

#### Problem 51560. Convert a number from factorial notation to base 10

Created by: ChrisR

1

9

#### Problem 51950. Find the smallest integer m such that n divides m!

Created by: ChrisR

3

13

#### Problem 44071. Smallest n, for n! to have m trailing zero digits

Created by: Jihye Sofia Seo

1

44

#### Problem 2325. GJam 2014 Rd 1c: Reordering Train Cars (Large)

Created by: Richard Zapor

1

2

#### Problem 45251. Last non-zero digit

Created by: Asif Newaz

1

28

#### Problem 55345. Easy Sequences 68: Factorial Rectangles

Created by: Ramon Villamangca

1

4

#### Problem 56418. Easy Sequences 78: Trailing Zeros of Factorial Numbers at any Base

Created by: Ramon Villamangca

1

3

#### Problem 51565. Convert a number from base 10 to factorial notation

Created by: ChrisR

4

6

#### Problem 52609. Easy Sequences 11: Factorial Digits without Trailing Zeros

Created by: Ramon Villamangca

1

14

#### Problem 53009. Easy Sequences 48: Prime Big Omega of Factorial Sequence

Created by: Ramon Villamangca

1

4

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