λ
Ratio Atlas

128,407

73 × 1759
Deficient Odd Composite

Prime Factor Structure

Factorization String 73 × 1759
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 130,240
Proper Divisor Sum 1,833
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #128399 ← → #128411

Radix Representation

Decimal 128407
Binary 11111010110010111 (17 bits)
Octal 0o372627
Hexadecimal 0x1F597

Divisor Catalog (4)

Collatz Trajectory (105 steps to reach 1)

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

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