Properties of the Number 2118

Two Thousand One Hundred Eighteen

Basics

Value: 2117 → 2118 → 2119

Parity: even

Prime: No

Previous Prime: 2113

Next Prime: 2129

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 353

Divisors: 1, 2, 3, 6, 353, 706, 1059, 2118

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001000110

Octal: 4106

Duodecimal: 1286

Hexadecimal: 846

Square: 4485924

Square Root: 46.021733996015406

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 knapsack partitions of n. A108917

Number of points on surface of octahedron; also coordination sequence for cubic lattice: a(0) = 1; for n > 0, a(n) = 4n² + 2. A5899

a(n) = n² + 2. A59100

Numbers n such that n³² + 1 is prime. A6315

Fibonacci sequence beginning 1, 5. A22095

Numbers m such that the Bernoulli number B_m has denominator 42. A51228

Number of partitions of n having positive odd rank (the rank of a partition is the largest part minus the number of parts). A101707

Numbers k such that A102489(k) is divisible by k. A32563

Number of strict integer partitions y of n with no fixed points y(i) = i. A352828

Number of incomplete strict integer partitions of n, meaning not every number from 0 to n is the sum of some submultiset. A365831