λ
Ratio Atlas

1,428,039

32 × 101 × 1571
Deficient Odd Composite

1,428,039 factors as 3^2 × 101 × 1571. Its 12 positive divisors give a proper-divisor sum of 656,433, so this integer is deficient. The Collatz stopping time is 137 steps.

Prime Factor Structure

Factorization String 3^2 × 101 × 1571
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 2,084,472
Proper Divisor Sum 656,433
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #1428029 ← → #1428041

Radix Representation

Decimal 1428039
Binary 101011100101001000111 (21 bits)
Octal 0o5345107
Hexadecimal 0x15CA47

Divisor Catalog (12)

Collatz Trajectory (137 steps to reach 1)

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

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