Properties of the Number 57290

Fifty-Seven Thousand Two Hundred Ninety

Basics

Value: 57289 → 57290 → 57291

Parity: even

Prime: No

Previous Prime: 57287

Next Prime: 57301

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 × 5 × 17 × 337

Divisors: 1, 2, 5, 10, 17, 34, 85, 170, 337, 674

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1101111111001010

Octal: 157712

Duodecimal: 291A2

Hexadecimal: dfca

Square: 3282144100

Square Root: 239.35329536064467

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

Coefficients of the generalized continued fraction expansion sqrt(7) = a(1) +a(1)/(a(2) +a(2)/(a(3) +a(3)/(a(4) +a(4)/....))). A233587

Coefficient of·in the reduction by x²->x+1 of the polynomial p(n,x) defined below in Comments. A192760

Numbers n such that n | 12ⁿ + 11ⁿ + 10ⁿ + 9ⁿ + 8ⁿ + 7ⁿ + 6ⁿ + 5ⁿ + 4ⁿ + 3ⁿ + 2ⁿ. A57290