Properties of the Number 25596

Twenty-Five Thousand Five Hundred Ninety-Six

Basics

Value: 25595 → 25596 → 25597

Parity: even

Prime: No

Previous Prime: 25589

Next Prime: 25601

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ⁴ × 79

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110001111111100

Octal: 61774

Duodecimal: 12990

Hexadecimal: 63fc

Square: 655155216

Square Root: 159.9874995116806

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

T(n,k)=Number of nXk 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s. A295253

Series reversion of x*(1 - x)/(1 - x - x³). A243157

Expansion of a(q)² * (b(q) * c(q) / 3)³ in powers of q where a(), b(), c() are cubic AGM θ functions. A136747

a(n) = 16·n² - 4. A158443

a(n) = A220371(n)/(4·A220371(n-1)). A193365

Expansion of (1+x-2·x²) / (1-x-6·x²+2·x³). A384730

Numbers k such that k and k² use only the digits 1, 2, 5, 6 and 9. A137006

Number of (n+1) X (2+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction. A250777

Inverse of Riordan array (1/(1-x)²,x(1-x)/(1+x)), A104698. A110271

Number of nX3 0..1 arrays with each 1 horizontally or vertically adjacent to 0, 1 or 3 1s. A295248