Properties of the Number 25590

Twenty-Five Thousand Five Hundred Ninety

Basics

Value: 25589 → 25590 → 25591

Parity: even

Prime: No

Previous Prime: 25589

Next Prime: 25601

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 853

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 853, 1706

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 110001111110110

Octal: 61766

Duodecimal: 12986

Hexadecimal: 63f6

Square: 654848100

Square Root: 159.968746947646

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

a(n) = prime(n)*prime(n-1) - 1. A23515

Number of functions on a finite set that are not obtainable by any composition power (excluding identity as power). A163947

Solution to the Dancing School Problem with 4 girls and n+4 boys: f(4,n). A79909

a(n) = 100·n² - 10. A158490

Number of triangular number parts in all partitions of n. A263235

Expansion of 1/(1 - ∑_k>=1 x^prime(k)/(1 - x^prime(k))). A300671

a(n) = 256·n² - n. A158010

a(n) = 1024·n² - 2·n. A158420

∑_k=2..n min(k,n-k)*φ(k)*(n-k). A92274

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (1, -1, -1), (1, 0, 0), (1, 1, 0)}. A150333