λ
Ratio Atlas

17,891,701

172 × 61909
Deficient Odd Composite

17,891,701 factors as 17^2 × 61909. Its 6 positive divisors give a proper-divisor sum of 1,114,669, so this integer is deficient. The Collatz stopping time is 151 steps.

Prime Factor Structure

Factorization String 17^2 × 61909
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 6
Divisor Sum (σ) 19,006,370
Proper Divisor Sum 1,114,669
Digit Sum / Digital Root 34 (Root: 7)
Adjacent Primes #17891693 ← → #17891761

Radix Representation

Decimal 17891701
Binary 1000100010000000101110101 (25 bits)
Octal 0o104200565
Hexadecimal 0x1110175

Divisor Catalog (6)

Collatz Trajectory (151 steps to reach 1)

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

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