Properties of the Number 57055

Fifty-Seven Thousand Fifty-Five

Basics

Value: 57054 → 57055 → 57056

Parity: odd

Prime: No

Previous Prime: 57047

Next Prime: 57059

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 11411

Divisors: 1, 5, 11411, 57055

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111011011111

Octal: 157337

Duodecimal: 29027

Hexadecimal: dedf

Square: 3255273025

Square Root: 238.861884778631

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 k such that k and k² use only the digits 0, 2, 3, 5 and 7. A136889

G.f.: ∑_n>=0 ∏_k=1..n ((1+2·x)^k - 1)/((1+2·x)^k + 1). A208816

Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; each k is an R(i(k),j(k)) and A057055(n)=i(C(n,3)). A57055