Properties of the Number -199543

One Hundred Ninety-Nine Thousand Five Hundred Forty-Three

Basics

Value: -199544 → -199543 → -199542

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 383 × 521

Divisors: 1, 383, 521, 199543

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110000101101110111

Octal: -605567

Duodecimal: -97587

Hexadecimal: -30b77

Square: 39817408849

Square Root: 446.702361757804

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

a(n) = ∑_k=0..n (-k)^k * Stirling2(n,k). A351218

Numbers k that are the products of two distinct primes such that 2·k-1, 4·k-3, 8·k-7, 16·k-15, 32·k-31, 64·k-63 and 128·k-127 are also products of two distinct primes. A177216