Properties of the Number -215225

Two Hundred Fifteen Thousand Two Hundred Twenty-Five

Basics

Value: -215226 → -215225 → -215224

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 8609

Divisors: 1, 5, 25, 8609, 43045, 215225

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110100100010111001

Octal: -644271

Duodecimal: -A4675

Hexadecimal: -348b9

Square: 46321800625

Square Root: 463.9234850705448

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 permutations of [n] with nonincreasing cycle sizes. A286071

Landau's approximation to population of x² + y² <= 2ⁿ. A690