Properties of the Number 22182

Twenty-Two Thousand One Hundred Eighty-Two

Basics

Value: 22181 → 22182 → 22183

Parity: even

Prime: No

Previous Prime: 22171

Next Prime: 22189

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 3697

Divisors: 1, 2, 3, 6, 3697, 7394, 11091, 22182

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011010100110

Octal: 53246

Duodecimal: 10A06

Hexadecimal: 56a6

Square: 492041124

Square Root: 148.93622796351463

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

Numbers k > 1 such that, in base 6, k and k² contain the same digits in the same proportion. A61660

Number of partitions of n with exactly four part sizes. A365630

Leading term of n-th row of A081491. A81490

Number of grains of sand required to be added to one cell at the origin in an initially empty and infinite 3D cubic grid for the 3D sandpile model such that the distance from the origin of the furthest nonempty cell along the axes is n. A351783

Expansion of 1/(g * (2-g))³, where g = 1+x·g³ is the g.f. of A001764. A391219

Expansion of g.f. A(x) satisfying A( 2·x²/(1-2·x)² ) = 2·A(x)². A371712

Number of primitive (period n) bracelets using exactly three different colored beads. A56349

a(n) = ∑_j=1..n ∑_k=1..n φ(n·j*k) / φ(n·k). A372669

Numbers whose base-3 representation has exactly 10 runs. A43590

Numbers k such that number of runs in the base 3 representation of k is congruent to 1 mod 9. A43807