Properties of the Number -398086

Three Hundred Ninety-Eight Thousand Eighty-Six

Basics

Value: -398087 → -398086 → -398085

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 2 × 13 × 61 × 251

Divisors: 1, 2, 13, 26, 61, 122, 251, 502, 793, 1586

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100001001100000110

Octal: -1411406

Duodecimal: -17245A

Hexadecimal: -61306

Square: 158472463396

Square Root: 630.9405677240924

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

a(n) = (2·A288851(n) - 3·A110163(n))/288. A289367

Expansion of ∏_k>=1 ((1+x^k) / ((1-x^2·k-1) * (1-x^8·k-4))). A280908