Properties of the Number 90380

Ninety Thousand Three Hundred Eighty

Basics

Value: 90379 → 90380 → 90381

Parity: even

Prime: No

Previous Prime: 90379

Next Prime: 90397

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 5 × 4519

Divisors: 1, 2, 4, 5, 10, 20, 4519, 9038, 18076, 22595

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110000100001100

Octal: 260414

Duodecimal: 44378

Hexadecimal: 1610c

Square: 8168544400

Square Root: 300.6326662224184

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

Start with a 2 X n array of squares, join every vertex on top edge to every vertex on bottom edge; a(n) = one-half the number of cells. A355902

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

Number of iterations used by a 2D cutting stock problem related algorithm. A90380