Properties of the Number 57285

Fifty-Seven Thousand Two Hundred Eighty-Five

Basics

Value: 57284 → 57285 → 57286

Parity: odd

Prime: No

Previous Prime: 57283

Next Prime: 57287

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 19 × 67

Divisors: 1, 3, 5, 9, 15, 19, 45, 57, 67, 95

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1101111111000101

Octal: 157705

Duodecimal: 29199

Hexadecimal: dfc5

Square: 3281571225

Square Root: 239.34285032145831

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 unimodal partitions/compositions of n into distinct terms. A72706

Numbers n such that 2ⁿ + n² is prime. A64539

Number of nonempty subsequences {s(k)} of 1..n such that the difference sequence is palindromic. A53599

Numbers n such that n | 12ⁿ + 11ⁿ + 10ⁿ + 9ⁿ + 8ⁿ + 7ⁿ + 6ⁿ + 5ⁿ + 4ⁿ. A57285