λ
Ratio Atlas

4,139,749

4139749
Deficient Odd Prime

4,139,749 factors as 4139749. 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 4139749
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 4,139,750
Proper Divisor Sum 1
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #4139741 ← → #4139753

Radix Representation

Decimal 4139749
Binary 1111110010101011100101 (22 bits)
Octal 0o17625345
Hexadecimal 0x3F2AE5

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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