λ
Ratio Atlas

1,685,045

5 × 29 × 11621
Deficient Odd Composite

1,685,045 factors as 5 × 29 × 11621. Its 8 positive divisors give a proper-divisor sum of 406,915, so this integer is deficient. The Collatz stopping time is 145 steps.

Prime Factor Structure

Factorization String 5 × 29 × 11621
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 2,091,960
Proper Divisor Sum 406,915
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #1685039 ← → #1685051

Radix Representation

Decimal 1685045
Binary 110011011011000110101 (21 bits)
Octal 0o6333065
Hexadecimal 0x19B635

Divisor Catalog (8)

Collatz Trajectory (145 steps to reach 1)

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

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