Properties of the Number 25140

Twenty-Five Thousand One Hundred Forty

Basics

Value: 25139 → 25140 → 25141

Parity: even

Prime: No

Previous Prime: 25127

Next Prime: 25147

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 419

Divisors: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001000110100

Octal: 61064

Duodecimal: 12670

Hexadecimal: 6234

Square: 632019600

Square Root: 158.55598380382872

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

G.f.: ∑_k>=0 q(k)² * x^k / ∑_k>=0 q(k)*x^k, where q(n) is A000009(n). A304877

Consecutive states of the linear congruential pseudo-random number generator 172·s mod 30307 when started at s=1. A385032

McKay-Thompson series of class 38a for Monster. A58658

Least number beginning with n such that every partial sum is a square. A95158

Number of unlabeled PQ-trees with n leaves. A136628

Number of connected vertically indecomposable partial lattices on n unlabeled nodes. A58801

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 1), (-1, 1, 1), (0, 0, 1), (1, -1, 0), (1, 1, -1)}. A148492

Coefficients of partition Hermite-MacMahon polynomials: p(x,n)= If[n == 0, 1, HermiteH[n, x]*Sum[MacMahon[n-1, k-1]*x^{k - 1}, {k, 1, n}]/2^Floor[n/2]]. A171533

G.f. satisfies A(x) = (1 - sqrt(1 + 4·A(-x) - 4·A(-x)²))/2. A392211

a(n) = floor(n/2)-th elementary symmetric function of C(n,0), C(n,1), ..., C(n, floor(n/2)). A25140