Properties of the Number 22655

Twenty-Two Thousand Six Hundred Fifty-Five

Basics

Value: 22654 → 22655 → 22656

Parity: odd

Prime: No

Previous Prime: 22651

Next Prime: 22669

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 23 × 197

Divisors: 1, 5, 23, 115, 197, 985, 4531, 22655

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100001111111

Octal: 54177

Duodecimal: 1113B

Hexadecimal: 587f

Square: 513249025

Square Root: 150.51577990363668

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

Positive numbers y such that y² is of the form x²+(x+23)² with integer x. A156567

a(n) = 6·a(n-1)-a(n-2) for n > 2; a(1)=23, a(2)=115. A156568

a(n) = ∑_k=0..n binomial(n,k) * binomial(n+k,k) * binomial(2·k,k) / (k+1). A349768

T(n,k) is the number of (n+1) X (k+1) 0..1 arrays with each 2 X 2 subblock having clockwise pattern 0000 0011 or 0101. A259222

Expansion of ∏_m>=1 (1+m·q^m)²⁷. A22655