Properties of the Number 39220

Thirty-Nine Thousand Two Hundred Twenty

Basics

Value: 39219 → 39220 → 39221

Parity: even

Prime: No

Previous Prime: 39217

Next Prime: 39227

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 5 × 37 × 53

Divisors: 1, 2, 4, 5, 10, 20, 37, 53, 74, 106

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1001100100110100

Octal: 114464

Duodecimal: 1A844

Hexadecimal: 9934

Square: 1538208400

Square Root: 198.04039991880444

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 in S_n containing exactly one increasing subsequence of length 4. A217057

Irregular table read by rows: T(n,k) is the number of permutations in S_n that have exactly k occurrences of the pattern 1234. 0 <= k <= A000332(n). A342865

Numbers whose base-12 representation has the same number of 1's and 2's. A39220