Properties of the Number 25920

Twenty-Five Thousand Nine Hundred Twenty

Basics

Value: 25919 → 25920 → 25921

Parity: even

Prime: No

Previous Prime: 25919

Next Prime: 25931

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ⁶ × 3 ⁴ × 5

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101000000

Octal: 62500

Duodecimal: 13000

Hexadecimal: 6540

Square: 671846400

Square Root: 160.99689437998487

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: Yes

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 permutations with given cycle structure, in the prime factorization order. A124795

The minimal numbers: sequence A005179 arranged in increasing order. A7416

Highly factorable numbers: numbers with a record number of proper factorizations. A33833

11-almost primes (generalization of semiprimes). A69272

Orders of noncyclic simple groups (without repetition). A1034

Smallest number with 2n divisors. A3680

Irregular triangle read by rows: T(n,k) = number of elements of order k in symmetric group S_n, for n >= 1, 1 <= k <= g(n), where g(n) = A000793(n) is Landau's function. A57731

Coefficients for the commutator for the logarithm of the derivative operator [log(D),xⁿ Dⁿ]=d[(xD)!/(xD-n)!]/d(xD) expanded in the operators :xD:^k. A238363

a(n) = sinh(2·arccosh(n))² = 4·n²*(n² - 1). A173121

Smallest integer that can be expressed as the sum of consecutive odd numbers in exactly n ways. A68314