Properties of the Number -121365

One Hundred Twenty-One Thousand Three Hundred Sixty-Five

Basics

Value: -121366 → -121365 → -121364

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 5 × 29 × 31

Divisors: 1, 3, 5, 9, 15, 27, 29, 31, 45, 87

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11101101000010101

Octal: -355025

Duodecimal: -5A299

Hexadecimal: -1da15

Square: 14729463225

Square Root: 348.3747981700169

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 ways to place 2 points on a triangular grid of side n so that they are not adjacent. A239568

a(n) = (9/2)*(n-1)*(n-2)*(n-3). A134171

Numbers k such that (6·k+1)*(12·k+1)*(18·k+1) is a Carmichael number which is the product of four prime numbers. A221743

a(n) = b(n) - c(n) where b(n) is the n-th Fibonacci number greater than 2 and c(n) is the n-th number not in sequence b( ). A14251

The Wiener index of the Kneser graph K(n,2) (n>=5). A228306