Properties of the Number 25592

Twenty-Five Thousand Five Hundred Ninety-Two

Basics

Value: 25591 → 25592 → 25593

Parity: even

Prime: No

Previous Prime: 25589

Next Prime: 25601

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 7 × 457

Divisors: 1, 2, 4, 7, 8, 14, 28, 56, 457, 914

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001111111000

Octal: 61770

Duodecimal: 12988

Hexadecimal: 63f8

Square: 654950464

Square Root: 159.97499804656977

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

Smallest even k such that lpf(k-3) > lpf(k-1) >= prime(n), where lpf=least prime factor (A020639). A242719

a(n) = prime(n)*prime(n-1) + 1. A23523

Number of graceful permutations of length n. A6967

Smallest even k such that lpf(k-1) = prime(n), while lpf(k-3) > prime(n), where lpf=least prime factor (A020639). A242489

Sum of prime divisors of n (with repetition) is one less than the sum of prime divisors (with repetition) of n+1. A228126

Values·for record minima of the positive distance d between the square of an integer y and the fifth power of a positive integer·such that d = y² - x⁵ (x <> k² and y <> k⁵). A198444

a(n) = 64·n² - 8. A158487

Least even k such that sfdf(k-3) > sfdf(k-1) >= A050376(n), where sfdf(n) is the smallest Fermi-Dirac factor of n (A223490). A244343

Numbers k such that A181894(k)+1 = A181894(k+1). A333802

Partial sums of A120769. A120770