Properties of the Number -199550

One Hundred Ninety-Nine Thousand Five Hundred Fifty

Basics

Value: -199551 → -199550 → -199549

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 ² × 13 × 307

Divisors: 1, 2, 5, 10, 13, 25, 26, 50, 65, 130

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110000101101111110

Octal: -605576

Duodecimal: -97592

Hexadecimal: -30b7e

Square: 39820202500

Square Root: 446.71019688384104

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

"DHK[ n ](2n)" (bracelet, identity, unlabeled, n parts, evaluated at 2n) transform of 1,1,1,1,... A32250

G.f.: A(x) = exp( ∑_n>=1 2·A179117(n)*xⁿ/n ), where A179117(n) = ∑_d∣n φ(d^φ(d)). A179116

Least k such that first k terms of A022303 contain n more 1's than 2's. A25517