Properties of the Number 18163

Eighteen Thousand One Hundred Sixty-Three

Basics

Value: 18162 → 18163 → 18164

Parity: odd

Prime: No

Previous Prime: 18149

Next Prime: 18169

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 41 × 443

Divisors: 1, 41, 443, 18163

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011011110011

Octal: 43363

Duodecimal: A617

Hexadecimal: 46f3

Square: 329894569

Square Root: 134.77017474204

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 integer partitions of n with a permutation that has no consecutive monotone triple, i.e., no triple (..., x, y, z, ...) such that either x <= y <= z or x >= y >= z. A344740

Numbers k such that in k and k² the parity of digits alternates. A30153

a(n) = 3n³ + 2n² + n + 1. A130884

Numbers n such that n!! - 2⁸ is prime. A265114

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 57", based on the 5-celled von Neumann neighborhood. A270077

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 350", based on the 5-celled von Neumann neighborhood. A271303

Semiprimes followed by successive gaps 4, 6, 9. A320285

Numbers k such that 1 + 20^k + 200^k is prime. A171247

Number of terms in polynomial sequence s(n) = x·y*z*(s(n-1)*s(n-3) + s(n-2)²)/s(n-4), with s(1) = x, s(2) = s(3) = 1, s(4) = y. A338218

Powers of fifth root of 17 rounded to nearest integer. A18163