Properties of the Number -121705

One Hundred Twenty-One Thousand Seven Hundred Five

Basics

Value: -121706 → -121705 → -121704

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 5 × 101 × 241

Divisors: 1, 5, 101, 241, 505, 1205, 24341, 121705

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11101101101101001

Octal: -355551

Duodecimal: -5A521

Hexadecimal: -1db69

Square: 14812107025

Square Root: 348.8624370722649

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

Indices of the centered 12-gonal numbers which are also 12-gonal number, or numbers X such that 120·X²-120·X+36 is a square. A133285

G.f.: ∑_n>=0 (n+1)*(n+2)/2·xⁿ * (1 + xⁿ)ⁿ. A326003

Expansion of the g.f. (x²-x+1)*(x²-3·x+3)/(x-1)⁶. A257890