λ
Ratio Atlas

199

199
Deficient Odd Prime

Prime Factor Structure

Factorization String 199
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 200
Proper Divisor Sum 1
Digit Sum / Digital Root 19 (Root: 1)
Adjacent Primes #197 ← → #211

Radix Representation

Decimal 199
Binary 11000111 (8 bits)
Octal 0o307
Hexadecimal 0xC7

Divisor Catalog (2)

1 199

Collatz Trajectory (119 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

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