Properties of the Number -212649

Two Hundred Twelve Thousand Six Hundred Forty-Nine

Basics

Value: -212650 → -212649 → -212648

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 73 × 971

Divisors: 1, 3, 73, 219, 971, 2913, 70883, 212649

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110011111010101001

Octal: -637251

Duodecimal: -A3089

Hexadecimal: -33ea9

Square: 45219597201

Square Root: 461.1388077358053

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

Expansion of ∏_k>=1 1/(1 - x^k)^k*(k+1²/2). A302447

Number of ways to place zero or more nonadjacent 1,0 1,1 2,1 3,1 4,2 4,3 polyhexes in any orientation on a planar nXnXn triangular grid. A155284