Properties of the Number -121635

One Hundred Twenty-One Thousand Six Hundred Thirty-Five

Basics

Value: -121636 → -121635 → -121634

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 17 × 53

Divisors: 1, 3, 5, 9, 15, 17, 27, 45, 51, 53

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11101101100100011

Octal: -355443

Duodecimal: -5A483

Hexadecimal: -1db23

Square: 14795073225

Square Root: 348.7620965644059

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

a(n) = 4·a(n-1) - a(n-2), with a(0) = 0, a(1) = 3. A5320

Numerators of continued fraction convergents to sqrt(12). A41016

Numerators of the lower principal convergents and the lower intermediate convergents to 3^1/2. A143643

Numerators of principal and intermediate convergents to 3^1/2. A143642

Numerators of continued fraction convergents to sqrt(507). A41968

a(n) = 4·a(n-2) - a(n-4). A83336

G.f. A(x) satisfies: 6ⁿ - 1 = ∑_k=0..n [x^k]A(x)ⁿ and also satisfies: (6+z)ⁿ - (1+z)ⁿ + zⁿ = ∑_k=0..n [x^k](A(x)+z·x)ⁿ for all z, where [x^k]A(x)ⁿ denotes the coefficient of x^k in A(x)ⁿ. A100234

Numerators of the other-side convergents to sqrt(3). A259593

The number of links of a qualifying "snake" polyline that connects the midpoints of opposite sides of the n-th regular integer hexagon that allows such a construction. A356047

Numerators of coefficients in series expansion of -512*(1+x)³/(x-8)³. A66414