Properties of the Number 25493

Twenty-Five Thousand Four Hundred Ninety-Three

Basics

Value: 25492 → 25493 → 25494

Parity: odd

Prime: No

Previous Prime: 25471

Next Prime: 25523

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 13 × 37 × 53

Divisors: 1, 13, 37, 53, 481, 689, 1961, 25493

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110001110010101

Octal: 61625

Duodecimal: 12905

Hexadecimal: 6395

Square: 649893049

Square Root: 159.66527487215245

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 words, either empty or beginning with the first letter of the ternary alphabet, where each letter of the alphabet occurs n times and letters of neighboring word positions are equal or neighbors in the alphabet. A208675

Number of words A(n,k), either empty or beginning with the first letter of the k-ary alphabet, where each letter of the alphabet occurs n times and letters of neighboring word positions are equal or neighbors in the alphabet; square array A(n,k), n>=0, k>=0, read by antidiagonals. A208673

Crystal ball sequence for A₅ lattice. A8386

Products of distinct terms in n-th row of the triangle in A199333. A199696

Number of rooted trees with n nodes such that three equals the maximal number of subtrees of the same size extending from the same node. A318818

Multiplicity of highest weight (or singular) vectors associated with character chi₆ of Monster module. A34394

Triangular array read by rows. T(n,k) is the number of elements of rank k in the order complex of the poset P = [n] X [n], n=0, k=0 or n>0, 0<=k<=2n-1. A337192

Square array, read by antidiagonals, where row n equals the crystal ball sequence for the A_n lattice. A108625

Smallest k that converges after exactly n iterations of the Kempner function A002034. A25493

Where n appears in A093903. A113959