Properties of the Number 25897

Twenty-Five Thousand Eight Hundred Ninety-Seven

Basics

Value: 25896 → 25897 → 25898

Parity: odd

Prime: No

Previous Prime: 25889

Next Prime: 25903

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 19 × 29 × 47

Divisors: 1, 19, 29, 47, 551, 893, 1363, 25897

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110010100101001

Octal: 62451

Duodecimal: 12BA1

Hexadecimal: 6529

Square: 670654609

Square Root: 160.92544857790517

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

Partial binomial sums of binomial(3n,n)/(2n+1) = A001764(n). A188687

Square array T(n,k), n >= 1, k >= 2, read by antidiagonals, where T(n,k) is the number of self-avoiding walks in the n X k grid graph which start at any of the n vertices on left side of the graph and terminate at any of the n vertices on the right side. A333509

Numerator of H(n+4) - H(n), where H(n) = ∑_k=1..n 1/k. A189642

Number of self-avoiding walks in the n X 3 grid graph which start at any of the n vertices on left side of the graph and terminate at any of the n vertices on the right side. A333511

Triangle read by rows: the numerators of the Lucas triangle. A385732

Numbers k such that the largest prime divisor of k⁴+1 is less than k. A309562

Level of the first leaf (in preorder traversal) of a ternary tree, summed over all ternary trees with n edges. A ternary tree is a rooted tree in which each vertex has at most three children and each child of a vertex is designated as its left or middle or right child. A121447

Expansion of 1/((1-x⁶)*(1-x⁷)*(1-x⁸)). A25897