λ
Sequence Observatory

6,502,729

53 × 122693
Deficient Odd Composite

Starting at 6,502,729, the Collatz iteration reaches 1 after 209 steps. The first transition is 19508188; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 53 × 122693
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 6,625,476
Proper Divisor Sum 122,747
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #6502703 ← → #6502733

Radix Representation

Decimal 6502729
Binary 11000110011100101001001 (23 bits)
Octal 0o30634511
Hexadecimal 0x633949

Divisor Catalog (4)

Collatz Trajectory (209 steps to reach 1)

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

Showing the first 5 trajectory entries; the stopping-time total above is unchanged.

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