Properties of the Number 18043

Eighteen Thousand Forty-Three

Basics

Value: 18042 → 18043 → 18044

Parity: odd

Prime: Yes

Previous Prime: 18041

Next Prime: 18047

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 18043

Divisors: 1, 18043

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011001111011

Octal: 43173

Duodecimal: A537

Hexadecimal: 467b

Square: 325549849

Square Root: 134.32423459673984

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 permutations T(n,k) in S_n containing an increasing subsequence of length k; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A214152

Number of distinct lines through the origin in 3-dimensional cube of side length n. A90025

Primes of the form 2·n² + 90·n + 43. A217621

Non-palindromic balanced primes. A256076

Volume of right circular cone (rounded down) with the diameter of base and height equal to n. A228189

Prime quadruples: 2nd term. A136720

Number of permutations of 1..n containing the relative rank sequence { 213465 } at any spacing. A159139

Number of permutations in S_n+3 containing an increasing subsequence of length n. A217193

Primes q with A253683(n) > q > A253685(n) such that (A253683(n), q, A253685(n)) forms a Wieferich triple. A253684

Primes congruent to 23 mod 53. A142553