Properties of the Number 25890

Twenty-Five Thousand Eight Hundred Ninety

Basics

Value: 25889 → 25890 → 25891

Parity: even

Prime: No

Previous Prime: 25889

Next Prime: 25903

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 863

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 863, 1726

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110010100100010

Octal: 62442

Duodecimal: 12B96

Hexadecimal: 6522

Square: 670292100

Square Root: 160.90369790654285

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

Array read by antidiagonals: T(m,n) = number of m-ary words of length n with cyclically adjacent elements differing by 2 or less. A285280

Number of circular n-letter words over the alphabet {0,1,2,3} with adjacent letters differing by at most 2. A124805

Indices of primes in sequence defined by A(0) = 97, A(n) = 10·A(n-1) - 63 for n > 0. A100998

T(n,n-3), array T as in A047040; T(n-3,n), array T given by A047050. A47045

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements. A251128

Expansion of 1/((1-x⁵)*(1-x⁸)*(1-x¹²)). A25890

G.f. A(x) satisfies: x = 1 - A(x)² - A(x)³ + A(x)⁶. A295542

G.f. A(x) satisfies A(x)³ = A( x³ + 3·x*A(x)³ + 3·A(x)⁵ ). A378263