Properties of the Number 18029

Eighteen Thousand Twenty-Nine

Basics

Value: 18028 → 18029 → 18030

Parity: odd

Prime: No

Previous Prime: 18013

Next Prime: 18041

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 11 ² × 149

Divisors: 1, 11, 121, 149, 1639, 18029

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100011001101101

Octal: 43155

Duodecimal: A525

Hexadecimal: 466d

Square: 325044841

Square Root: 134.27211177307072

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

Column l=3 of irregular triangle in A133709. A133710

Numerators of an asymptotic series for the factorial function. A182914

a(n) = (A085249(n) - 1)/6. A88349

Numerator of Laguerre(n, 5). A160629

Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) - b(n-3), where a(0) = 1, a(1) = 2, a[2] = 3, b(0) = 4, b(1) = 5, b(2) = 6, and (a(n)) and (b(n)) are increasing complementary sequences. A295366

a(n) = n + max_{0 <= i <n} ((n-i)*a(i)), a(0) = 1. A8609

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 147", based on the 5-celled von Neumann neighborhood. A270292

Positions of records in A351089. A349908

Powers of cube root of 18 rounded up. A18029

Denominators of an asymptotic series for the factorial function. A182915