Properties of the Number 22661

Twenty-Two Thousand Six Hundred Sixty-One

Basics

Value: 22660 → 22661 → 22662

Parity: odd

Prime: No

Previous Prime: 22651

Next Prime: 22669

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 17 × 31 × 43

Divisors: 1, 17, 31, 43, 527, 731, 1333, 22661

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100010000101

Octal: 54205

Duodecimal: 11145

Hexadecimal: 5885

Square: 513520921

Square Root: 150.53571004914414

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

a(n) = dot_product(1,2,...,n)*(7,8,...,n,1,2,3,4,5,6). A26049

Numbers in which all pairs of consecutive base-6 digits differ by 3. A33077

Nonsemiprimes in A306097 = A121707 \ A267999. A321488

Powers of fifth root of 14 rounded down. A18153

Increasing gaps in A038593 (lower terms). A93342

Row sums of a Pascal-Thue-Morse triangle. A114226

Numbers n such that A242720(n) = prime(n)*(prime(n)+4)+3 and A242719(n) - A242720(n) = 2*(prime(n)-1). A247279

Powers of fifth root of 14 rounded to nearest integer. A18154

Duplicate of A093342. A93389

Expansion of ∏_m>=1 (1-m·q^m). A22661