λ
Ratio Atlas

128,917

137 × 941
Deficient Odd Composite

Prime Factor Structure

Factorization String 137 × 941
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 129,996
Proper Divisor Sum 1,079
Digit Sum / Digital Root 28 (Root: 1)
Adjacent Primes #128903 ← → #128923

Radix Representation

Decimal 128917
Binary 11111011110010101 (17 bits)
Octal 0o373625
Hexadecimal 0x1F795

Divisor Catalog (4)

Collatz Trajectory (131 steps to reach 1)

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

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