λ
Modular Archive

129,757

129757
Deficient Odd Prime

Prime Factor Structure

Factorization String 129757
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 129,758
Proper Divisor Sum 1
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #129749 ← → #129763

Radix Representation

Decimal 129757
Binary 11111101011011101 (17 bits)
Octal 0o375335
Hexadecimal 0x1FADD

Divisor Catalog (2)

Collatz Trajectory (193 steps to reach 1)

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

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