Properties of the Number -108185

One Hundred Eight Thousand One Hundred Eighty-Five

Basics

Value: -108186 → -108185 → -108184

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 11 × 281

Divisors: 1, 5, 7, 11, 35, 55, 77, 281, 385, 1405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010011010011001

Octal: -323231

Duodecimal: -52735

Hexadecimal: -1a699

Square: 11703994225

Square Root: 328.9148826064275

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

Number of isomorphism classes of nanocones with 4 pentagons and a symmetric boundary of length n. A198015

Numbers k such that k and k+1 have at least 4 but not both exactly 4 distinct prime factors. A321494

a(n) = ∑_{i+j+k+l+m=n, i,j,k,l,m >= 1} σ(i)*σ(j)*σ(k)*σ(l)*σ(m). A374978