Properties of the Number -18170

Eighteen Thousand One Hundred Seventy

Basics

Value: -18171 → -18170 → -18169

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 5 × 23 × 79

Divisors: 1, 2, 5, 10, 23, 46, 79, 115, 158, 230

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100011011111010

Octal: -43372

Duodecimal: -A622

Hexadecimal: -46fa

Square: 330148900

Square Root: 134.7961423780369

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 compositions of n with all adjacent parts (x, y) satisfying x >= 2y or y = 2x. A342335

Positions of 2's in A264977; positions of 3's in A277330. A277712

Number of n-node vertex-transitive graphs which are not Cayley graphs. A6792

a(n) = 13·n² + 10·n + 3. A387659

Number of nondecreasing -n..n vectors of length 5 whose dot product with some nonincreasing -n..n vector equals 5. A226402