Properties of the Number 22260

Twenty-Two Thousand Two Hundred Sixty

Basics

Value: 22259 → 22260 → 22261

Parity: even

Prime: No

Previous Prime: 22259

Next Prime: 22271

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 5 × 7 × 53

Divisors: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011011110100

Octal: 53364

Duodecimal: 10A70

Hexadecimal: 56f4

Square: 495507600

Square Root: 149.1978552124661

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

Triangle T(n,k) of rencontres numbers (number of permutations of n elements with k fixed points). A8290

Triangle read by rows: T(n,k) = number of partial derangements, that is, the number of permutations of n distinct, ordered items in which exactly k of the items are in their natural ordered positions, for n >= 0, k = n, n-1, ..., 1, 0. A98825

Triangle of rencontres numbers. A8291

Rencontres numbers: number of permutations of [n] with exactly 3 fixed points. A449

Star of David matchstick numbers: a(n) = 6·n*(3·n+1). A45946

a(n) = [xⁿ] ( 1/((1 - x)²*(1 - x²)) )ⁿ for n >= 1. A352373

θ series of A₆ lattice. A8446

Number of (w,x,y,z) with all terms in {1,...,n} and median<mean. A212135

Areas of integer-sided triangles whose area equals 5 times their perimeter. A289221

Partition array a(n,k) with the total number of necklaces (C_n symmetry) with n beads, each available in n colors, with color signature given by the k-th partition of n in Abramowitz-Stegun(A-St) order. A212360