Properties of the Number 68158

Sixty-Eight Thousand One Hundred Fifty-Eight

Basics

Value: 68157 → 68158 → 68159

Parity: even

Prime: No

Previous Prime: 68147

Next Prime: 68161

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 53 × 643

Divisors: 1, 2, 53, 106, 643, 1286, 34079, 68158

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10000101000111110

Octal: 205076

Duodecimal: 3353A

Hexadecimal: 10a3e

Square: 4645512964

Square Root: 261.07087160386163

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

Number of length n inversion sequences avoiding the patterns 102, 201, and 210. A279563

Number of (n+2)X(1+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00010101. A260834

a(n) = floor(n!/R(n)!), where R(n) = digit reversal of n (A004086). A68158