Properties of the Number -212280

Two Hundred Twelve Thousand Two Hundred Eighty

Basics

Value: -212281 → -212280 → -212279

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 29 × 61

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011110100111000

Octal: -636470

Duodecimal: -A2A20

Hexadecimal: -33d38

Square: 45062798400

Square Root: 460.73853756767517

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

Numbers k such that both the sum of the semiprime divisors of k and the sum of the prime divisors of k are squares. A227478

G.f. (1-x)/(2·sqrt(5·x² + 2·x + 1)) - 1/2. A249908