Properties of the Number 10818

Ten Thousand Eight Hundred Eighteen

Basics

Value: 10817 → 10818 → 10819

Parity: even

Prime: No

Previous Prime: 10799

Next Prime: 10831

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 601

Divisors: 1, 2, 3, 6, 9, 18, 601, 1202, 1803, 3606

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101001000010

Octal: 25102

Duodecimal: 6316

Hexadecimal: 2a42

Square: 117029124

Square Root: 104.0096149401583

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

Multiples of 18 containing a 18 in their decimal representation. A121038

Coordination sequence for C₃ lattice: a(n) = 16·n² + 2 (n>0), a(0)=1. A10006

T(n,k) = number of (n+2) X (k+2) binary matrices with every 3 X 3 block having exactly four 1's. A181262

High-temperature series in w = tanh(J/kT) for ferromagnetic susceptibility for the spin-1/2 Ising model on hexagonal lattice. A2920

Number of complete Carlitz compositions of n. A374147

θ series of direct sum of 3 copies of hexagonal lattice. A8654

a(n) = 3·a(n-1) + a(n-2) - 2·a(n-3) (agrees with A019480 for n <= 19 only). A19481

Coefficients of the A-Dyson Mod 27 identity. A104501

Number of n-step self-avoiding walks on the Laves graph with no non-contiguous adjacencies. A344040

Indices of records in A352187. A352192