Properties of the Number 25504

Twenty-Five Thousand Five Hundred Four

Basics

Value: 25503 → 25504 → 25505

Parity: even

Prime: No

Previous Prime: 25471

Next Prime: 25523

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ⁵ × 797

Divisors: 1, 2, 4, 8, 16, 32, 797, 1594, 3188, 6376

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001110100000

Octal: 61640

Duodecimal: 12914

Hexadecimal: 63a0

Square: 650454016

Square Root: 159.69971822141704

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

Number of integer partitions of n whose mean is not an integer. A349156

Maximal value of sum(p(i)p(i+1),i=1..n), where p(n+1)=p(1), as p ranges over all permutations of {1,2,...,n}. A110610

a(n) = ∑_k=0..n C(n,k) * (2 + 3^k)^n-k. A244756

Number of partitions of n, where the difference between the number of odd parts and the number of even parts is 10. A240019

Number of compositions of n with exactly 2 transitions between different parts. A244714

Number of ways of placing n rooks on an n X n chessboard with the topology of a Klein bottle. A134983

G.f. A(x) is defined as the limit A(x) = lim_n->oo F(n)^{1/2^(n-1}) where F(n) is defined by F(n) = F(n-1)² + (2·x)^2ⁿ-1 for n >= 1 with F(0) = 1. A101189

Least k>1 such that reverse complement of first n terms of Kolakoski sequence (A000002) repeats beginning at k-th term. A25504