Properties of the Number 39222

Thirty-Nine Thousand Two Hundred Twenty-Two

Basics

Value: 39221 → 39222 → 39223

Parity: even

Prime: No

Previous Prime: 39217

Next Prime: 39227

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 2179

Divisors: 1, 2, 3, 6, 9, 18, 2179, 4358, 6537, 13074

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001100100110110

Octal: 114466

Duodecimal: 1A846

Hexadecimal: 9936

Square: 1538365284

Square Root: 198.04544932918807

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 permutations s₁,s₂,...,s_n of 1,2,...,n with s_n = 1 (if n>0) and such that for all j=1,2,...,n, ∑_i=1..j s_i divides ∑_i=1..j s_i³. A291519

Indices where the cumulative sum of cos(2k+1)^2k+1 reaches a record high value. A389559

Trajectory of 3 under map n -> 47n+1 if n odd, n->n/2 if n even. A37121

Number of binary words of length n containing at least one subword 10⁸1 and no subwords 10ⁱ1 with i<8. A143288

a(n) = 484·n² + 2·n. A158325

a(n) = 324·n² + 18. A158590

a(n) = 121·n² + n. A173267

Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 22. A31700

Trajectory of 1 under map n->47n+1 if n odd, n->n/2 if n even. A33979

Convolution of Fibonacci numbers and A014306. A23614