Properties of the Number 57279

Fifty-Seven Thousand Two Hundred Seventy-Nine

Basics

Value: 57278 → 57279 → 57280

Parity: odd

Prime: No

Previous Prime: 57271

Next Prime: 57283

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 61 × 313

Divisors: 1, 3, 61, 183, 313, 939, 19093, 57279

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111110111111

Octal: 157677

Duodecimal: 29193

Hexadecimal: dfbf

Square: 3280883841

Square Root: 239.33031567271206

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

Number of fixed convex polyominoes with n cells. A67675

Expansion of (1/x) * Series_Reversion( x * (1-x³/(1-x))³ ). A369014

Numbers k such that 4^k + 2^k - 1 is prime. A98855

Number of integers in n-th generation of tree T(2/3) defined in Comments. A274145

Number of (n+6)X9 0..1 matrices with each 7X7 subblock idempotent. A224583

T(n,k)=Number of (n+6)X(k+6) 0..1 matrices with each 7X7 subblock idempotent. A224588

Triangle T(n,k) of number of digraphs with a quasi-source on n unlabeled nodes and with k arcs, k = 0..n*(n-1). A57279

A triangle of recursive Fibonacci Lah numbers: f(n) = Fibonacci(n)*f(n - 1), L(n, k) = binomial(n-1, k-1)*(f(n)/f(k)). A137478