Properties of the Number 90224

Ninety Thousand Two Hundred Twenty-Four

Basics

Value: 90223 → 90224 → 90225

Parity: even

Prime: No

Previous Prime: 90217

Next Prime: 90227

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ⁴ × 5639

Divisors: 1, 2, 4, 8, 16, 5639, 11278, 22556, 45112, 90224

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000001110000

Octal: 260160

Duodecimal: 44268

Hexadecimal: 16070

Square: 8140370176

Square Root: 300.37310132566796

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

Partition function coefficients for square lattice spin 1 Ising model. A10107

Numbers k where k² is an anagram of (k+2)². A261749

Triangle read by rows: T(n,k) = number of partial idempotent mappings (of an n-chain) with (right) waist exactly k. A258579

Number of parallelogram polyominoes with n cells (also called staircase polyominoes, although that term is overused). A6958

G.f.: 1/G(0) where G(k) = 1 - q^k+1 / (1 - q^k+2/G(k+1) ). A227309

Triangle T(n,m) read by rows: the number of skew Ferrers diagrams with area n and m columns. A161492

Number of possible positions for n discs on a standard 7 X 6 board of Connect-Four. A90224

Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n such that the sum of the height of the peaks is k (n>=0; n<=k<=floor((n+1)²/4)). A129183

Irregular triangle read by rows where row n is Adelman's sequence containing all permutations of 1..n. A351469