λ
Ratio Atlas

75,005,981

75005981
Deficient Odd Prime

75,005,981 factors as 75005981. Its 2 positive divisors give a proper-divisor sum of 1, so this integer is deficient. The Collatz stopping time is 153 steps.

Prime Factor Structure

Factorization String 75005981
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 75,005,982
Proper Divisor Sum 1
Digit Sum / Digital Root 35 (Root: 8)
Adjacent Primes #75005969 ← → #75005999

Radix Representation

Decimal 75005981
Binary 100011110001000000000011101 (27 bits)
Octal 0o436100035
Hexadecimal 0x478801D

Divisor Catalog (2)

Collatz Trajectory (153 steps to reach 1)

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

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