λ
Ratio Atlas

4,178,129

4178129
Deficient Odd Prime

4,178,129 factors as 4178129. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 136 steps.

Prime Factor Structure

Factorization String 4178129
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 4,178,130
Proper Divisor Sum 1
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #4178113 ← → #4178131

Radix Representation

Decimal 4178129
Binary 1111111100000011010001 (22 bits)
Octal 0o17740321
Hexadecimal 0x3FC0D1

Divisor Catalog (2)

Collatz Trajectory (136 steps to reach 1)

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

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