Properties of the Number 57458

Fifty-Seven Thousand Four Hundred Fifty-Eight

Basics

Value: 57457 → 57458 → 57459

Parity: even

Prime: No

Previous Prime: 57457

Next Prime: 57467

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 28729

Divisors: 1, 2, 28729, 57458

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000001110010

Octal: 160162

Duodecimal: 29302

Hexadecimal: e072

Square: 3301421764

Square Root: 239.70398411373975

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

Fibonacci sequence beginning 2, 21. A294116

Number of n X 4 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically. A207770

Take a squarefree semiprime and take the difference of its prime factors. If it is a squarefree semiprime repeat the process. Sequence lists the squarefree semiprimes that generate other squarefree semiprimes only in the first k steps of this process. Case k = 5. A296812

a(n) = 32·n² - 40·n + 10. A343578

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 0 vertically. A207774

Number of k, 1 <= k <= n, where {k (n+1-k) + 1} is prime. A57458