Properties of the Number 18053

Eighteen Thousand Fifty-Three

Basics

Value: 18052 → 18053 → 18054

Parity: odd

Prime: No

Previous Prime: 18049

Next Prime: 18059

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 2579

Divisors: 1, 7, 2579, 18053

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011010000101

Octal: 43205

Duodecimal: A545

Hexadecimal: 4685

Square: 325910809

Square Root: 134.36145280548286

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

Irregular triangle read by rows: T(n, k) = number of inequivalent (mod the dihedral group D₈ of order 8) ways to place k nonattacking knights on an n X n board. A243716

Graham-Sloane-type lower bound on the size of a ternary (n,3,4) constant-weight code. A30504

a(n) is the greatest nonnegative number which has a partition into a triangular number (A000217), a square number (A000290), and a pentagonal number (A000326) in n different ways. A327792

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 779", based on the 5-celled von Neumann neighborhood. A273540

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 16. A50965

Numbers k such that 3·10^k - 13 is prime. A295327

Number of tilings using squares, dominos, and flexible trominos of a strip of length n-1 and with an n-th cell placed on top of the middle of the strip. A374729

Decimal expansion of real root of x³ + 11x² + 27x - 27 = 0, x²*(x + 5)³ - 2²*3³ = 0. A320158

Powers of fourth root of 3 rounded up. A18053