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Properties of the Number 25044

Twenty-Five Thousand Forty-Four

Basics

Value: 25043 → 25044 → 25045

Parity: even

Prime: No

Previous Prime: 25037

Next Prime: 25057

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 2 × 3 × 2087

Divisors: 1, 2, 3, 4, 6, 12, 2087, 4174, 6261, 8348

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110000111010100

Octal: 60724

Duodecimal: 125B0

Hexadecimal: 61d4

Square: 627201936

Square Root: 158.25296205758679

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

Number of ways to place n nonattacking composite pieces rook + rider[2,2] on an n X n chessboard. A189838
a(n) = (n - 1)*(a(n - 2) - a(n - 3) + 1), a(0) = a(1) = a(2) = 1. A121989
L.g.f. L(x) = ∑n>=1 a(n)*xn/n satisfies: exp(L(x)) = 1 + x·exp( ∑n>=1 a(n)*exp(L(xn))*xn/n ). A226908
Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 435", based on the 5-celled von Neumann neighborhood. A272151
Number of broken 2-diamond partitions of n. A328540
a(n) is the smallest divisor of triangular number T(n) := n(n+1)/2 not already in the sequence. A111273
T(n,k)=Number of n-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-queen's tours (antidiagonal moves become knight moves) on a kXk board summed over all starting positions. A187857
a(n) not of form prime - a(k), k < n. A25044
Number of 5-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-queen's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions. A187860
Number of length n+2 0..9 arrays with no three unequal elements in a row and no three equal elements in a row and new values 0..9 introduced in 0..9 order. A243728