Properties of the Number 23219

Twenty-Three Thousand Two Hundred Nineteen

Basics

Value: 23218 → 23219 → 23220

Parity: odd

Prime: No

Previous Prime: 23209

Next Prime: 23227

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 7 × 31 × 107

Divisors: 1, 7, 31, 107, 217, 749, 3317, 23219

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101101010110011

Octal: 55263

Duodecimal: 1152B

Hexadecimal: 5ab3

Square: 539121961

Square Root: 152.3778199082793

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 magic labelings of the cycle-of-loops graph LOOP X C₈ having magic sum n, where LOOP is the 1-vertex, 1-loop-edge graph. A244880

Composite numbers k coprime to 8 such that k divides Pell(k - Kronecker(8,k)), Pell = A000129. A327651

Ulam's spiral (WSW spoke). A143854

Expansion of (5-12·x-9·x²+8·x³+x⁴)/(1-3·x-3·x²+4·x³+x⁴-x⁵). A189237

Number of binary words of length n such that in every prefix and in every suffix the difference between the number of 1's and the number of 0's is in the interval [-2,3]. A306306

Potential magic constants of 9 X 9 magic squares composed of consecutive primes. A191679

Non-Brauer numbers. A349044

a(n) = floor(10000·log₂(n)). A4268

a(n) = 3n³ - 2n² + n - 1. A130885

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 398", based on the 5-celled von Neumann neighborhood. A271695