Properties of the Number 18023

Eighteen Thousand Twenty-Three

Basics

Value: 18022 → 18023 → 18024

Parity: odd

Prime: No

Previous Prime: 18013

Next Prime: 18041

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 67 × 269

Divisors: 1, 67, 269, 18023

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011001100111

Octal: 43147

Duodecimal: A51B

Hexadecimal: 4667

Square: 324828529

Square Root: 134.2497672251241

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

Numbers n such that xⁿ + x³ + x² + x + 1 is irreducible over GF(2). A57496

Numbers of the form prime(n)*(prime(n)-1)/4. A171555

a(n) is the least number k such that A066323(k) = n. A342728

Numbers n such that Fibonacci(n) is not squarefree, but for all proper divisors k of n, Fibonacci(k) is squarefree. A65069

Numbers k such that x^k + x³ + 1 is irreducible over GF(2). A57461

a(n) = Least i in range [A165598(n),A165598(n+1)] for which abs(A165597(i)) gets the maximum value in that range. A165599

Numbers n such that A229964(n) = 3. A229966

Smallest k such that 6ⁿ+k, 6ⁿ+k+g, 6ⁿ+k+2·g are consecutive primes in arithmetic progression. A233546

Number of prime parts in the partitions of n into 7 parts. A309436

1/(Integral_x=0..1 x^{x^(xⁿ}) dx - 1/2), rounded to the nearest integer. A322009