λ
Ratio Atlas

6,720,128

27 × 52501
Deficient Even Composite

6,720,128 factors as 2^7 × 52501. Its 16 positive divisors give a proper-divisor sum of 6,667,882, so this integer is deficient. The Collatz stopping time is 85 steps.

Prime Factor Structure

Factorization String 2^7 × 52501
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 13,388,010
Proper Divisor Sum 6,667,882
Digit Sum / Digital Root 26 (Root: 8)
Adjacent Primes #6720089 ← → #6720143

Radix Representation

Decimal 6720128
Binary 11001101000101010000000 (23 bits)
Octal 0o31505200
Hexadecimal 0x668A80

Divisor Catalog (16)

Collatz Trajectory (85 steps to reach 1)

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

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