Properties of the Number 68740

Sixty-Eight Thousand Seven Hundred Forty

Basics

Value: 68739 → 68740 → 68741

Parity: even

Prime: No

Previous Prime: 68737

Next Prime: 68743

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 7 × 491

Divisors: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000110010000100

Octal: 206204

Duodecimal: 33944

Hexadecimal: 10c84

Square: 4725187600

Square Root: 262.1831420972752

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

E.g.f. satisfies A(x) = exp( x * (1+x/2)/A(x) ). A365056

Riordan array [exp(-x/2)(1-2x)^-1/4,x]. A152148

Number of partitions p of n such that 2·min(p) + (number of parts of p) is not a part of p. A238542

Result after dividing (nⁿ)! as many times as possible by n!. A68740