Properties of the Number 25915

Twenty-Five Thousand Nine Hundred Fifteen

Basics

Value: 25914 → 25915 → 25916

Parity: odd

Prime: No

Previous Prime: 25913

Next Prime: 25919

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 71 × 73

Divisors: 1, 5, 71, 73, 355, 365, 5183, 25915

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010100111011

Octal: 62473

Duodecimal: 12BB7

Hexadecimal: 653b

Square: 671587225

Square Root: 160.98136538121423

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

Coordination sequence for (2,5,6) tiling of hyperbolic plane. A265065

Denominators of fractions with the same position in A020652/A038567 and A182972/A182973. A182976

Numerators of convergents to π using best rational approximation whose denominator is between consecutive powers of 2: [2ⁿ, 2ⁿ⁺¹-1], where n = 0, 1, 2, ... A325158

Structured rhombic triacontahedral numbers (vertex structure 11). A100164

G.f.: (1+x⁴)/(1-x-x⁸). A193942

Number of partitions p of n such that 1 + (1/2)*max(p) is a part of p. A238625

Number of length n+2 0..7 arrays with no three elements in a row with pattern aba or abb (with a≠b) and new values 0..7 introduced in 0..7 order. A243516

Numbers k such that 75^k - 2 is prime. A248546

Sum of digits (bits) in base two representation of 3^2ⁿ. A162599

T(n,k)=Number of length n+2 0..k arrays with no three elements in a row with pattern aba or abb (with a≠b) and new values 0..k introduced in 0..k order. A243519