Properties of the Number 18179

Eighteen Thousand One Hundred Seventy-Nine

Basics

Value: 18178 → 18179 → 18180

Parity: odd

Prime: No

Previous Prime: 18169

Next Prime: 18181

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 ³ × 53

Divisors: 1, 7, 49, 53, 343, 371, 2597, 18179

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011100000011

Octal: 43403

Duodecimal: A62B

Hexadecimal: 4703

Square: 330476041

Square Root: 134.82952198980755

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

Composite numbers k that divide 3^k - 2^k - 1, excluding powers of 2, 3 and 7. A127073

Second-order spt function. A221140

Sum of n-th powers of the roots of x³ - 7·x² - 49·x - 49. A275195

This is to A139025 as A139025 to A014688, see A139025 for details. A139026

Expansion of ∏_m>=1 (1+m·q^m)^-14. A22706

Smallest number k with A355915(k) = n. A356792

T(2n-1,n-1), T given by A026714. A26718

T(n,[ n/2 ]), T given by A026714. A26720

Numbers whose base-7 representation contains exactly four 0's. A43396

Powers of fifth root of 22 rounded up. A18179