Properties of the Number 57261

Fifty-Seven Thousand Two Hundred Sixty-One

Basics

Value: 57260 → 57261 → 57262

Parity: odd

Prime: No

Previous Prime: 57259

Next Prime: 57269

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 19087

Divisors: 1, 3, 19087, 57261

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111110101101

Octal: 157655

Duodecimal: 29179

Hexadecimal: dfad

Square: 3278822121

Square Root: 239.29270778692776

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

a(0) = 0 and a(n) = (4·n³ - 12·n² + 20·n - 9)/3 for n >= 1. A174794

a(n) = 1 + n + n[n/2] + n[n/2][n/3] +... + n[n/2][n/3]...[n/n], where [x]=ceiling(x). A75887

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 529", based on the 5-celled von Neumann neighborhood. A272748

Numbers k such that k | 8^k + 7^k + 6^k + 5^k + 4^k + 3^k. A57261