Properties of the Number 57479

Fifty-Seven Thousand Four Hundred Seventy-Nine

Basics

Value: 57478 → 57479 → 57480

Parity: odd

Prime: No

Previous Prime: 57467

Next Prime: 57487

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 229 × 251

Divisors: 1, 229, 251, 57479

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110000010000111

Octal: 160207

Duodecimal: 2931B

Hexadecimal: e087

Square: 3303835441

Square Root: 239.74778413991652

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

Composite numbers·such that σ(x+120) = σ(x)+120. A54985

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 61 ones. A31829

Number of nX3 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other. A200985

Numbers m such that there is an integer k with the property that antisigma(m) = k * σ(m) + k. A244926

Smallest semiprime p1·p2 such that p2 mod p1 = n and no prime is used more than once in the sequence. A386256

E.g.f. A(x) satisfies: A(x) = ∑_n>=0 xⁿ/n! * ∏_k=1..n (n+1-k) + k/A(x). A316700

Numbers k such that x^k + x⁹ + 1 is irreducible over GF(2). A57479

Number of nX4 0..1 arrays with every element equal to 0, 2, 3 or 4 king-move adjacent elements, with upper left element zero. A297911