Properties of the Number 57789

Fifty-Seven Thousand Seven Hundred Eighty-Nine

Basics

Value: 57788 → 57789 → 57790

Parity: odd

Prime: No

Previous Prime: 57787

Next Prime: 57791

Digit Sum: 36

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 6421

Divisors: 1, 3, 9, 6421, 19263, 57789

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000110111101

Octal: 160675

Duodecimal: 29539

Hexadecimal: e1bd

Square: 3339568521

Square Root: 240.39342753078753

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

a(n) is the number of quintuples (a₁,a₂,a₃,a₄,a₅) having all terms in {1,...,n} such that there exists a pentagon with these side-lengths. A346637

Numbers that set a new integer record for the ratio between the product and the sum of their digits. A240520

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, 0), (1, 0, 1), (1, 1, -1)}. A149413

Array read by antidiagonals: Place k points in general position on each side of a regular n-gon and join every pair of the k·n boundary points by a chord; T(n,k) (n >= 3, k >= 0) gives the number of vertices in the resulting planar graph. A392261

a(n) = ∑_{k = 1..n, gcd(k,n)=1} k*(n-k). A57789