Properties of the Number 22642

Twenty-Two Thousand Six Hundred Forty-Two

Basics

Value: 22641 → 22642 → 22643

Parity: even

Prime: No

Previous Prime: 22639

Next Prime: 22643

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 11321

Divisors: 1, 2, 11321, 22642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100001110010

Octal: 54162

Duodecimal: 1112A

Hexadecimal: 5872

Square: 512660164

Square Root: 150.4725888658795

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

Total sum of prime parts in all partitions of n. A73118

Numbers k such that k![7]-1 is prime (where k![7] = A114799(k) = septuple factorial). A156167

Expansion of 1/(1 - x*∏_k>=1 (1 - k·x^k)). A299209

Solution to the non-squashing boxes problem (version 2). A89055

Number of numbers with sum of digits n in fractional base 4/3. A364780

Expansion of ∏_m>=1 (1 + m·q^m)¹⁴. A22642