Properties of the Number 25756

Twenty-Five Thousand Seven Hundred Fifty-Six

Basics

Value: 25755 → 25756 → 25757

Parity: even

Prime: No

Previous Prime: 25747

Next Prime: 25759

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 47 × 137

Divisors: 1, 2, 4, 47, 94, 137, 188, 274, 548, 6439

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110010010011100

Octal: 62234

Duodecimal: 12AA4

Hexadecimal: 649c

Square: 663371536

Square Root: 160.48675957847738

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

Numbers n such that σ(n) is a Fibonacci number. A272412

The Wiener index of the fullerenyl anion G[n]C[60], defined pictorially in the Arezoomand reference (see Fig. 5). A221016

a(n) = 101·2^n-1 - 100. A140062

3rd-order Vatalan numbers (generalization of Catalan numbers). A25756

Irregular table read by rows: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 1243. 0 <= k <= A028723(n + 1). A342863