Properties of the Number -196385

One Hundred Ninety-Six Thousand Three Hundred Eighty-Five

Basics

Value: -196386 → -196385 → -196384

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 5 × 7 × 31 × 181

Divisors: 1, 5, 7, 31, 35, 155, 181, 217, 905, 1085

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -101111111100100001

Octal: -577441

Duodecimal: -95795

Hexadecimal: -2ff21

Square: 38567068225

Square Root: 443.1534722869719

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 lower triangular n X n arrays colored with integers 0 upwards introduced in row major order, with no element equal to any horizontal, vertical or antidiagonal neighbor, and containing the value n(n+1)/2-2. A211924

a(n) = n⁴/6 - 2·n³/3 - n²/6 + 5·n/3 + 1. A299198

a(n) = ((n+1)-st Fibonacci number) - (n-th non-Fibonacci number). A14241