Properties of the Number 13223

Thirteen Thousand Two Hundred Twenty-Three

Basics

Value: 13222 → 13223 → 13224

Parity: odd

Prime: No

Previous Prime: 13219

Next Prime: 13229

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 × 1889

Divisors: 1, 7, 1889, 13223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001110100111

Octal: 31647

Duodecimal: 779B

Hexadecimal: 33a7

Square: 174847729

Square Root: 114.99130401904311

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

Numbers m having the same sum of divisors as m+20 has. A181647

Number of non-quanimous subsets of {1..n} containing n, meaning there is only one set partition with equal block-sums. A371790

a(n) = -a(n-1) - a(n-2) + a(n-3), a(0)=3, a(1)=-1, a(2)=-1. A73145

Sum of the fifth largest parts of the partitions of n into 10 parts. A326594

a(n) = n³ - n² - n - 1. A83074

Numbers n such that n!3 + 3¹⁰ is prime, where n!3 = n!!! is a triple factorial number (A007661). A261145

a(n) = 10000·log₁₀(n) rounded up. A4230

Inverted (definition in A075193) generalized tribonacci numbers A001644. A75298

Values of 16·n²+24·n+7, n>=0, each duplicated. A173294

a(n) = A064842(n)/2. A64843