Properties of the Number -18115

Eighteen Thousand One Hundred Fifteen

Basics

Value: -18116 → -18115 → -18114

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 3623

Divisors: 1, 5, 3623, 18115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100011011000011

Octal: -43303

Duodecimal: -A597

Hexadecimal: -46c3

Square: 328153225

Square Root: 134.59197598668354

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

Expansion of 1 / ((1-x)²*(1-x²)*(1-x³)*...*(1-x⁹)). A288344

a(n) = ∑_0<=j<=i<=n A027170(i, j). A27180

Numbers k such that k and k² use only the digits 1, 2, 3, 5 and 8. A136976

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (0, 0, -1), (0, 0, 1), (0, 1, 1), (1, 0, 1)}. A151164