Properties of the Number 57825

Fifty-Seven Thousand Eight Hundred Twenty-Five

Basics

Value: 57824 → 57825 → 57826

Parity: odd

Prime: No

Previous Prime: 57809

Next Prime: 57829

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 ² × 257

Divisors: 1, 3, 5, 9, 15, 25, 45, 75, 225, 257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000111100001

Octal: 160741

Duodecimal: 29569

Hexadecimal: e1e1

Square: 3343730625

Square Root: 240.46829312822095

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 which when converted to base 4, reversed and converted back to base 10 yield a number m such that n mod m = 0. Cases which are trivial or result in digit loss are excluded. A91078

Number of non-necklace compositions of n. A329145

Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 3,2,0,1. A37786

Numbers n such that (n+2) | (2ⁿ+3ⁿ). A123049

Square array: A(r,1) = A065621(r); for c > 1, A(r,c) = A048724(A(r,c-1)), read by descending antidiagonals as A(1,1), A(1,2), A(2,1), A(1,3), A(2,2), A(3,1), etc. A277820

T(n,k)=Number of nondecreasing arrangements of n+2 numbers in 0..k with each number being the sum mod (k+1) of two others. A183912

Values of k for which A003418(k) - 1 is prime. A57825

Number of arrays of median of three adjacent elements of some length n+2 0..5 array, with no adjacent equal elements in the latter. A229009