Properties of the Number 22340

Twenty-Two Thousand Three Hundred Forty

Basics

Value: 22339 → 22340 → 22341

Parity: even

Prime: No

Previous Prime: 22307

Next Prime: 22343

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 1117

Divisors: 1, 2, 4, 5, 10, 20, 1117, 2234, 4468, 5585

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101011101000100

Octal: 53504

Duodecimal: 10B18

Hexadecimal: 5744

Square: 499075600

Square Root: 149.46571513226704

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 integer compositions of n whose leaders of strictly decreasing runs are identical. A374760

Expansion of (-1 + ∏_k>=1 1 / (1 - x^k))⁴. A341222

Numbers which are the sum of a prime and the square of the next prime. A349660

Number of unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 6. A244460

Row sums of the array A274196, defined by g(n,k) = 1 for n >= 0; g(n,k) = 0 if k > n; g(n,k) = g(n-1,k-1) + g(n-1,4k) for n > 0, k > 1. A274197

Number of 6-element subsets of [n] having a prime element sum. A320681

Numbers n such that n⁹+9 and n⁹-9 are prime. A239505

n·a(n+1) = (2·n²+3·n+2)*a(n)-(n²-n-2)*a(n-1); a(0)=1, a(1)=0. A259901

Even Fibbinary numbers (A003714); also a(n) = 2·Fibbinary(n). A22340

Expansion of A(x) satisfying [xⁿ] A(x) / (1 + x·A(x)ⁿ) = 0 for n > 0. A360582