Properties of the Number 2182

Two Thousand One Hundred Eighty-Two

Basics

Value: 2181 → 2182 → 2183

Parity: even

Prime: No

Previous Prime: 2179

Next Prime: 2203

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 × 1091

Divisors: 1, 2, 1091, 2182

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100010000110

Octal: 4206

Duodecimal: 131A

Hexadecimal: 886

Square: 4761124

Square Root: 46.71188285650665

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 degree-n irreducible polynomials over GF(2); number of n-bead necklaces with beads of 2 colors when turning over is not allowed and with primitive period n; number of binary Lyndon words of length n. A1037

a(n) = (1/n) * ∑_{d divides n} μ(n/d) * (2^d - 1). A59966

Coordination sequence for "reo-e" 3D uniform tiling. A299281

Number of rooted trees with n nodes in which all positive outdegrees are the same. A298422

Semiprimes with prime sum of factors: twice the lesser of the twin prime pairs. A108605

a(n) = 2·n² + 4. A255843

Number of alternately co-strong integer partitions of n. A317256

Number of maximal subsets of {1..n} such that every orderless pair of distinct elements has a different sum. A325878

Number of classes of endofunctions of [n] under rotation, complement to n+1 and reversal. A275558

∏_k>=11/(1 - x^k)^a(k) = 1 + 2x. A38063