Properties of the Number 25558

Twenty-Five Thousand Five Hundred Fifty-Eight

Basics

Value: 25557 → 25558 → 25559

Parity: even

Prime: No

Previous Prime: 25541

Next Prime: 25561

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 13 × 983

Divisors: 1, 2, 13, 26, 983, 1966, 12779, 25558

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001111010110

Octal: 61726

Duodecimal: 1295A

Hexadecimal: 63d6

Square: 653211364

Square Root: 159.86869612278696

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

Record-setting differences between adjacent elements of the Mian-Chowla sequence A005282. A80222

Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 8. A245148

(2n+1)-digit anti-palindromic numbers or numberdromes, whose first and last digits add to ten, second and next-to-last add to ten and so on with the central digit a 5. A93472

Number of (n+4)X6 0..1 matrices with each 5X5 subblock idempotent. A224684

Number of partitions p of n such that (number of numbers in p that have multiplicity 1) ≠ (number of numbers in p having multiplicity > 1). A330147

a(n) = (n/(n+1)) * lcm(1,2,...,n+1). A25558

Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. A259002