Properties of the Number 57275

Fifty-Seven Thousand Two Hundred Seventy-Five

Basics

Value: 57274 → 57275 → 57276

Parity: odd

Prime: No

Previous Prime: 57271

Next Prime: 57283

Digit Sum: 26

Digital Root: 8

Palindrome: Yes

Factorization: 5 ² × 29 × 79

Divisors: 1, 5, 25, 29, 79, 145, 395, 725, 1975, 2291

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111110111011

Octal: 157673

Duodecimal: 2918B

Hexadecimal: dfbb

Square: 3280425625

Square Root: 239.3219588754864

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 T(n, k) = Numbers of non-equivalent (mod D₃) ways to place k points on a triangular grid of side n so that no two of them are adjacent. Triangle read by rows. A239572

Number of non-equivalent (mod D₃) ways to place 5 indistinguishable points on a triangular grid of side n so that no two of them are adjacent. A239575

a(n) = n*(n+1)*(14·n-11)/6. A172076

Structured deltoidal hexacontahedral numbers (vertex structure 9). A100166

Difference between sum of largest parts and sum of smallest parts of all partitions of n into an odd number of parts. A211870

Palindromes whose smallest palindromic proper multiple is the number concatenated with itself. A119368

The odd edge of a primitive 3-simplex (0, b=A031173, c=A031174, d=A031175). A298047

Number of Motzkin excursions of length n with an even number of humps. A307564

Triangle T(n,k) of number of unilaterally connected digraphs on n labeled nodes and with k arcs, k=0..n*(n-1). A57275