Properties of the Number 57265

Fifty-Seven Thousand Two Hundred Sixty-Five

Basics

Value: 57264 → 57265 → 57266

Parity: odd

Prime: No

Previous Prime: 57259

Next Prime: 57269

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 5 × 13 × 881

Divisors: 1, 5, 13, 65, 881, 4405, 11453, 57265

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101111110110001

Octal: 157661

Duodecimal: 29181

Hexadecimal: dfb1

Square: 3279280225

Square Root: 239.30106560565082

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(n) = (2·n-1)*(5·n²-5·n+6)/6. A63489

T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 1,0 1,1 0,-1 or -1,1. A264569

Number of (w,x,y,z) with all terms in {1,...,n} and w³>x³+y³+z³. A212099

Expansion of e.g.f. exp( sinh(sqrt(2)*x) / sqrt(2) ). A351891

Number of (n+1)X(5+1) arrays of permutations of 0..n·6+5 with each element having directed index change 1,0 1,1 0,-1 or -1,1. A264566

Number of (6+1)X(n+1) arrays of permutations of 0..n·7+6 with each element having directed index change 1,0 1,1 0,-1 or -1,1. A264574

Even refactorable numbers (i.e., the number of divisors is itself a divisor and it is also even). A57265

Number of nX4 0..1 arrays with every element equal to 1, 2, 3 or 5 king-move adjacent elements, with upper left element zero. A297947