Properties of the Number 25045

Twenty-Five Thousand Forty-Five

Basics

Value: 25044 → 25045 → 25046

Parity: odd

Prime: No

Previous Prime: 25037

Next Prime: 25057

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 5009

Divisors: 1, 5, 5009, 25045

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110000111010101

Octal: 60725

Duodecimal: 125B1

Hexadecimal: 61d5

Square: 627252025

Square Root: 158.25612152457168

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

Constant term of the reduction by x² -> x+1 of the polynomial p(n,x) defined at Comments. A192958

a(n) = floor((n + 1/n)⁷). A197708

a(n) = (∑_k=0^n-1(3k²+3k+1)*C(n-1,k)²*C(n+k,k)²)/n³, where C(n,k) denotes the binomial coefficient n!/(k!*(n-k)!). A246512

Round((n+1/n)⁷). A198072

Number of partitions of n into parts not of the form 25k, 25k+10 or 25k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 11 are greater than 1. A36009

Expansion of (1-x)^-1/(1-x+2·x²+2·x³). A77878

Number of ordered pairs of endofunctions f, g on a set of n elements satisfying f(f(x)) = g(g(x)). A235327

Number of horizontally symmetric diagonal Latin squares of order 2n with the first row in ascending order. A287649

Number of diagonal Latin squares of order n with the first row in order. A274171

Maximum number of diagonal transversals in a diagonal Latin square of order n. A287648