Properties of the Number 57085

Fifty-Seven Thousand Eighty-Five

Basics

Value: 57084 → 57085 → 57086

Parity: odd

Prime: No

Previous Prime: 57077

Next Prime: 57089

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 7 ² × 233

Divisors: 1, 5, 7, 35, 49, 233, 245, 1165, 1631, 8155

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111011111101

Octal: 157375

Duodecimal: 29051

Hexadecimal: defd

Square: 3258697225

Square Root: 238.92467432226417

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

Numbers such that the digital sums in bases 2, 3, 5 and 7 all are equal. A135127

Expansion of g.f. 1/ (1-x¹*(1-x^m+1)/ (1-x²*(1-x^m+2)/ (1- ... ))) for m=10. A185649

Consecutive states of the linear congruential pseudo-random number generator (421·s + 17117) mod 81000 when started at s=1. A385338

a(n) = 9·a(n-1) - 9·a(n-2) for n>1, with a(0)=0, a(1)=1. A57085