Properties of the Number -201978

Two Hundred One Thousand Nine Hundred Seventy-Eight

Basics

Value: -201979 → -201978 → -201977

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 7 ² × 229

Divisors: 1, 2, 3, 6, 7, 9, 14, 18, 21, 42

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110001010011111010

Octal: -612372

Duodecimal: -98A76

Hexadecimal: -314fa

Square: 40795112484

Square Root: 449.41962573968664

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

G.f. A(x) satisfies: A(x) = ∑_n>=0 (1+x)^n² * xⁿ / A(x)ⁿ. A303058

Expansion of e.g.f. (exp(x)-1)²/(-2+exp(x))². A52876