Properties of the Number 25971

Twenty-Five Thousand Nine Hundred Seventy-One

Basics

Value: 25970 → 25971 → 25972

Parity: odd

Prime: No

Previous Prime: 25969

Next Prime: 25981

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 11 × 787

Divisors: 1, 3, 11, 33, 787, 2361, 8657, 25971

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010101110011

Octal: 62563

Duodecimal: 13043

Hexadecimal: 6573

Square: 674492841

Square Root: 161.15520469410848

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 that are the sum of seven fourth powers in seven or more ways. A345573

Numbers that are the sum of seven fourth powers in exactly seven ways. A345829

Numbers k such that there are exactly four biquadratefree powerful numbers (A338325) between k² and (k+1)². A338391

G.f. A(x) satisfies 1/3 = ∑_n=-oo..+oo xⁿ*A(x)ⁿ * (A(x)ⁿ + 2·x)^n-1 * (xⁿ + 2·A(x))^n-1. A381364

Integers k such that nextprime(k⁵) - prevprime(k⁵) = 4. A90123

Smallest number such that n-th iterate of Chowla function is 0. A2954

a(n) = [ 3rd elementary symmetric function of {sqrt(k)} ], k = 1,2,...,n. A25194

a(1)=1, a(n)=a(n-1)+n² if n odd, a(n)=a(n-1)+ n³ if n is even. A140149

Number of compositions of n in which the minimal multiplicity of parts equals 5. A244168

Number of partitions satisfying 0 < cn(0,5) + cn(1,5) + cn(2,5) + cn(3,5) and 0 < cn(0,5) + cn(4,5) + cn(2,5) + cn(3,5). A39903