Properties of the Number 22671

Twenty-Two Thousand Six Hundred Seventy-One

Basics

Value: 22670 → 22671 → 22672

Parity: odd

Prime: No

Previous Prime: 22669

Next Prime: 22679

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 11 × 229

Divisors: 1, 3, 9, 11, 33, 99, 229, 687, 2061, 2519

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101100010001111

Octal: 54217

Duodecimal: 11153

Hexadecimal: 588f

Square: 513974241

Square Root: 150.56892109595526

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) = ∑_j=0..n ∑_i=0..n T(j,i), T given by A026736. A26745

Sum of the vertical heights (i.e., number of rows) of all deco polyominoes of height n. A121694

Number of walks within N³ (the first octant of Z³) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 1, -1), (0, 1, 1), (1, 0, 0)}. A150208

Numbers k such that 6·prime(k) -+ {1,5} are all prime. A174393

Number of dispersed Dyck prefixes of length 2n and height n. A283799

Expansion of ∏_{m >= 1} (1-m·q^m)¹¹. A22671

Number of 7 X n 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 0 and 1 0 1 vertically. A207789