λ
Ratio Atlas

1,671,728

24 × 163 × 641
Deficient Even Composite

1,671,728 factors as 2^4 × 163 × 641. Its 20 positive divisors give a proper-divisor sum of 1,592,200, so this integer is deficient. The Collatz stopping time is 176 steps.

Prime Factor Structure

Factorization String 2^4 × 163 × 641
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 3,263,928
Proper Divisor Sum 1,592,200
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #1671727 ← → #1671731

Radix Representation

Decimal 1671728
Binary 110011000001000110000 (21 bits)
Octal 0o6301060
Hexadecimal 0x198230

Divisor Catalog (20)

Collatz Trajectory (176 steps to reach 1)

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

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