Properties of the Number 25628

Twenty-Five Thousand Six Hundred Twenty-Eight

Basics

Value: 25627 → 25628 → 25629

Parity: even

Prime: No

Previous Prime: 25621

Next Prime: 25633

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 43 × 149

Divisors: 1, 2, 4, 43, 86, 149, 172, 298, 596, 6407

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010000011100

Octal: 62034

Duodecimal: 129B8

Hexadecimal: 641c

Square: 656794384

Square Root: 160.08747608729422

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

Triangle P, read by rows, where column k of P² equals column 0 of P^2k+2 such that column 0 of P² equals column 0 of P shift one place left, with P(0,0)=1. A135880

a(n) = n*(2·n² -3·n +7)/6 = C(n, 1) + C(n, 2) + 2·C(n, 3). A81489

a(n) = 2·n*(7·n - 3). A316466

Numbers k such that 3^k - k is prime. A58037

Column 3 of triangle A135880. A135884

Triangle, read by rows equal to the matrix product P^-1·R, where P = A135880 and R = A135894; P^-1·R equals triangle P shifted right one column. A135898

Sum of the even singletons in all partitions of n (n>=0). A singleton in a partition is a part that occurs exactly once. A276425

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 366", based on the 5-celled von Neumann neighborhood. A287854

Positive integers whose square is the sum of 96 consecutive squares. A257827

Floor[n(n-1)(n-2)(n-3)/14]. A11924