Properties of the Number 25828

Twenty-Five Thousand Eight Hundred Twenty-Eight

Basics

Value: 25827 → 25828 → 25829

Parity: even

Prime: No

Previous Prime: 25819

Next Prime: 25841

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 11 × 587

Divisors: 1, 2, 4, 11, 22, 44, 587, 1174, 2348, 6457

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110010011100100

Octal: 62344

Duodecimal: 12B44

Hexadecimal: 64e4

Square: 667085584

Square Root: 160.7109205996904

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

Numbers n such that Bernoulli number B_n has denominator 690. A272186

Number of types of (n-1)-swap moves for traveling salesman problem. Number of circular permutations on elements 0,1,...,2n-1 where every two elements 2i,2i+1 and no two elements 2i-1,2i are adjacent. A61714

Triangle read by rows: T(n,k) is the number of self-avoiding paths of length 2*(n-1+k) connecting opposite corners in the n X n grid graph (0 <= k <= floor((n-1)²/2), n >= 1). A333520

Starting positions of strings of 3 0's in the decimal expansion of π. A50202

McKay-Thompson series of class 10a for Monster. A58102

Number of 5-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-bishop's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions. A187609

Maximum value of the cyclic convolution of the first n positive integers with themselves. A294172

Number of partitions of n with equal number of parts congruent to each of 1 and 2 (mod 4). A35543

Expansion of 1/((1-x³)*(1-x⁴)*(1-x⁶)). A25828