ℕ atory
Play Now

Properties of the Number 25256

Twenty-Five Thousand Two Hundred Fifty-Six

Basics

Value: 25255 → 25256 → 25257

Parity: even

Prime: No

Previous Prime: 25253

Next Prime: 25261

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 3 × 7 × 11 × 41

Divisors: 1, 2, 4, 7, 8, 11, 14, 22, 28, 41

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001010101000

Octal: 61250

Duodecimal: 12748

Hexadecimal: 62a8

Square: 637865536

Square Root: 158.92136420255144

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

Triangle read by rows: row n is the first row of the matrix M[n]n-1, where M[n] is the n X n tridiagonal matrix with main diagonal (2,3,3,...) and super- and subdiagonals (1,1,1,...). A124733
Number of integer partitions of n that contain at least one even part and whose halved even parts are relatively prime. A366845
Number of permutations of order n avoiding consecutive pattern 121'3. A376694
Generalized sum of divisors function: third diagonal of A060047. A60046
Number of unlabeled marked rooted trees with n nodes. A136794
G.f. satisfies: A(x) = (x + A(A(x)))2 where g.f. A(x) = ∑n>=1 a(n)*x3·n-1. A212392
Numbers n such that 2·10n+11 is prime. A86865
Partial sums of A006000. A133252
Molecular topological indices of the gear graphs. A192827
Number of even parts in the partitions of n into 10 parts. A309662