Properties of the Number 22729

Twenty-Two Thousand Seven Hundred Twenty-Nine

Basics

Value: 22728 → 22729 → 22730

Parity: odd

Prime: No

Previous Prime: 22727

Next Prime: 22739

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 17 × 191

Divisors: 1, 7, 17, 119, 191, 1337, 3247, 22729

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 101100011001001

Octal: 54311

Duodecimal: 111A1

Hexadecimal: 58c9

Square: 516607441

Square Root: 150.76140089558734

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

T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284222

Numbers n such that the decimal number concat(5,n) is a square. A273360

Number of Motzkin paths of length n with no level steps at height 1. A217312

Nonnegative values·of solutions (x, y) to the Diophantine equation x²+(x+191)² = y². A161486

Number of partitions p of n such that (number of numbers of the form 3k+2 in p) is a part of p. A241548

a(n) = 2·prime(n)² - prime(n+1)². A64051

Floor(AGM(1, Fibonacci(n))), where AGM denotes the arithmetic-geometric mean. A234368

Numbers n such that the digit sum of Fibonacci(n) is equal to the digit sum of Lucas(n). A244923

Number of n X 6 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284220

Number of 3 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero. A284224