λ
Ratio Atlas

729,201

3 × 11 × 19 × 1163
Deficient Odd Composite

729,201 factors as 3 × 11 × 19 × 1163. Its 16 positive divisors give a proper-divisor sum of 388,239, so this integer is deficient. The Collatz stopping time is 136 steps.

Prime Factor Structure

Factorization String 3 × 11 × 19 × 1163
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 1,117,440
Proper Divisor Sum 388,239
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #729199 ← → #729203

Radix Representation

Decimal 729201
Binary 10110010000001110001 (20 bits)
Octal 0o2620161
Hexadecimal 0xB2071

Divisor Catalog (16)

Collatz Trajectory (136 steps to reach 1)

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

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