Properties of the Number -190399

One Hundred Ninety Thousand Three Hundred Ninety-Nine

Basics

Value: -190400 → -190399 → -190398

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 11 × 19 × 911

Divisors: 1, 11, 19, 209, 911, 10021, 17309, 190399

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110011110111111

Octal: -563677

Duodecimal: -92227

Hexadecimal: -2e7bf

Square: 36251779201

Square Root: 436.3473387108027

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

Numbers y such that 19·y² + 81 is a square. A167709

Expansion of (1 - 2·x - sqrt(1 - 8·x + 8·x²))/(2·x*(1-x)). A174347

Subsequence of A167709 whose indices are congruent to 1 mod 5, i.e., a(n) = A167709(5·n+1). A167822

Numbers k such that σ(φ(σ(k))) = φ(k). A66465