Properties of the Number -393115

Three Hundred Ninety-Three Thousand One Hundred Fifteen

Basics

Value: -393116 → -393115 → -393114

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 5 × 78623

Divisors: 1, 5, 78623, 393115

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011111111110011011

Octal: -1377633

Duodecimal: -16B5B7

Hexadecimal: -5ff9b

Square: 154539403225

Square Root: 626.9888356262813

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

Start with a single hexagon; at n-th generation add a hexagon at each expandable vertex; a(n) is the sum of all label values at n-th generation. (See comment for construction rules.) A247620

a(0) = 0; thereafter a(n) = a(n-1)/2 + n if a(n-1) is even, otherwise a(n) = a(n-1) + a(n-2). A350129