Properties of the Number 25530

Twenty-Five Thousand Five Hundred Thirty

Basics

Value: 25529 → 25530 → 25531

Parity: even

Prime: No

Previous Prime: 25523

Next Prime: 25537

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 23 × 37

Divisors: 1, 2, 3, 5, 6, 10, 15, 23, 30, 37

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110001110111010

Octal: 61672

Duodecimal: 12936

Hexadecimal: 63ba

Square: 651780900

Square Root: 159.78110025907318

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

The smallest magic constant of an n X n magic square with distinct prime entries. A164843

Consecutive states of the linear congruential pseudo-random number generator 172·s mod 30307 when started at s=1. A385032

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 odd parts in the partitions of n into 8 parts. A309628

Squarefree numbers k such that the sum of the distinct prime factors of k is twice the difference between the largest and the smallest prime factors of k. A324210

Expansion of ∑_n>=1 x^n*(n+1/2)*((1+x)/(1-x))ⁿ. A369425

Composite squarefree integers for which the sum of the squares of their factors is a square. A379780

a(n) = (1/1 - 1/2 + ... + (-1)^n-1/n)*lcm{1..n}. A25530

Number of ways to place 4 nonattacking nightriders on a 4 X n board. A172219