Properties of the Number -311809

Three Hundred Eleven Thousand Eight Hundred Nine

Basics

Value: -311810 → -311809 → -311808

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 19 × 16411

Divisors: 1, 19, 16411, 311809

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001100001000000001

Octal: -1141001

Duodecimal: -130541

Hexadecimal: -4c201

Square: 97224852481

Square Root: 558.3986031501154

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) = numerator of ∑_{1 <= i < j <= d(n)} 1/(d_j - d_i), sum over ordered pairs of divisors of n, where d(n) is the number of divisors of n. A330077

Number of n X 4 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s. A296309