Properties of the Number 22319

Twenty-Two Thousand Three Hundred Nineteen

Basics

Value: 22318 → 22319 → 22320

Parity: odd

Prime: No

Previous Prime: 22307

Next Prime: 22343

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 11 × 2029

Divisors: 1, 11, 2029, 22319

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101011100101111

Octal: 53457

Duodecimal: 10ABB

Hexadecimal: 572f

Square: 498137761

Square Root: 149.39544839117423

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

Frobenius number of the numerical semigroup generated by 3 consecutive triangular numbers. A69755

Number of polygonal cacti (Husimi graphs) with n nodes. A35085

Partial sums of A294016. A294017

Number of refactorable integers (A033950) of binary order (A029837) n. A36761

a(n) = a(n-1)*a(n-2) - 1. A1054

a(n) = 4·n³ - 3·n² - 2·n - 1. A268644

a(n) is the least nonnegative integer value of nⁿ⁺¹/k - (n+1)ⁿ. A340353

a(n) = a(n-1) + a(n-2) + 1 for n > 1, a(0)=1, a(1)=5. A22319

Numbers such that each digit from 0 to 9 appears at least 7 times in the digits of their divisors. A175507

a(n) = ∑_k>=0 floor(n/(2k)!). A380408