λ
Ratio Atlas

3,902,161

149 × 26189
Deficient Odd Composite

3,902,161 factors as 149 × 26189. Its 4 positive divisors give a proper-divisor sum of 26,339, so this integer is deficient. The Collatz stopping time is 97 steps.

Prime Factor Structure

Factorization String 149 × 26189
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 3,928,500
Proper Divisor Sum 26,339
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #3902149 ← → #3902167

Radix Representation

Decimal 3902161
Binary 1110111000101011010001 (22 bits)
Octal 0o16705321
Hexadecimal 0x3B8AD1

Divisor Catalog (4)

Collatz Trajectory (97 steps to reach 1)

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

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