Properties of the Number 22309

Twenty-Two Thousand Three Hundred Nine

Basics

Value: 22308 → 22309 → 22310

Parity: odd

Prime: No

Previous Prime: 22307

Next Prime: 22343

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 3187

Divisors: 1, 7, 3187, 22309

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011100100101

Octal: 53445

Duodecimal: 10AB1

Hexadecimal: 5725

Square: 497691481

Square Root: 149.3619764197033

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

Number of (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| > w+x+y. A213482

Denominators of continued fraction convergents to sqrt(216). A41403

Row sums of triangle A113716, in which row n forms a polynomial in y=3·k that generates diagonal n as k=0,1,2,... for n>=0. A113719

Denominators of continued fraction convergents to sqrt(54). A41093

Starting positions of strings of three 9's in the decimal expansion of π. A83642

Triangle read by rows: T(n,k) = 2·A011971(n,k) - 1. A136791

a(n) = 676·n + 1. A158386

Number of standard Young tableaux with n cells such that the lengths of the first and the last row differ by 2. A244296

Number of paraffins. A5998

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 94 ones. A31862