Properties of the Number -199815

One Hundred Ninety-Nine Thousand Eight Hundred Fifteen

Basics

Value: -199816 → -199815 → -199814

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 3 × 5 × 7 × 11 × 173

Divisors: 1, 3, 5, 7, 11, 15, 21, 33, 35, 55

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110000110010000111

Octal: -606207

Duodecimal: -97773

Hexadecimal: -30c87

Square: 39926034225

Square Root: 447.006711359013

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

Expansion of e.g.f. exp(x) / (3 - 2·exp(x)). A201339

Square array A(n, k) = n! * [tⁿ] (exp(t)/(1+k-k·exp(t))) for n >= 0 and k >= 0, read by antidiagonals upwards. A369435