Properties of the Number 199

One Hundred Ninety-Nine

Basics

Value: 198 → 199 → 200

Parity: odd

Prime: Yes

Previous Prime: 197

Next Prime: 211

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 199

Divisors: 1, 199

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11000111

Octal: 307

Duodecimal: 147

Hexadecimal: c7

Square: 39601

Square Root: 14.106735979665885

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

The prime numbers. A40

Lucas numbers beginning at 2: L(n) = L(n-1) + L(n-2), L(0) = 2, L(1) = 1. A32

Powers of primes. Alternatively, 1 and the prime powers (p^k, p prime, k >= 1). A961

Prime numbers at the beginning of the 20th century (today 1 is no longer regarded as a prime). A8578

Greater of twin primes. A6512

Primes of the form 4·k + 3. A2145

Prime powers: numbers of the form p^k where p is a prime and k >= 1. A246655

Odd primes. A65091

Lucas numbers (beginning with 1): L(n) = L(n-1) + L(n-2) with L(1) = 1, L(2) = 3. A204

Primes of the form 6m + 1. A2476

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