Properties of the Number 25080

Twenty-Five Thousand Eighty

Basics

Value: 25079 → 25080 → 25081

Parity: even

Prime: No

Previous Prime: 25073

Next Prime: 25087

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 11 × 19

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 11, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000111111000

Octal: 60770

Duodecimal: 12620

Hexadecimal: 61f8

Square: 629006400

Square Root: 158.36666315863323

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 (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having directed index change 0,1 0,-2 1,0 or -1,0. A264299

Numbers k such that σ(x) = k has exactly 10 solutions. A60666

The second crank moment function M₂(n). A220909

Expansion of ∑_0<i<j<k<l q^i+j+k+l/( (1-qⁱ)*(1-q^j)*(1-q^k)*(1-q^l) )². A365664

Number of possible queen moves on an n X n chessboard. A35005

Numbers n such that the multiplicative group modulo n is the direct product of 6 cyclic groups. A272596

a(n) = n! * ∑_k=1..n 1/floor(n/k). A345683

Areas of 'close-to-equilateral' integer triangles. A102341

Numbers with prime factorization pqrst³. A189984

T(n,k) = Number of n X k 0..3 arrays with every row and column least squares fitting to a zero slope straight line, with a single point array taken as having zero slope. A223824