λ
Sequence Observatory

6,396,351

3 × 13 × 401 × 409
Deficient Odd Composite

Starting at 6,396,351, the Collatz iteration reaches 1 after 147 steps. The first transition is 19189054; the starting value is odd with 16 positive divisors.

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Prime Factor Structure

Factorization String 3 × 13 × 401 × 409
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 9,229,920
Proper Divisor Sum 2,833,569
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #6396349 ← → #6396361

Radix Representation

Decimal 6396351
Binary 11000011001100110111111 (23 bits)
Octal 0o30314677
Hexadecimal 0x6199BF

Divisor Catalog (5 of 16)

1 3 13 39 401

Collatz Trajectory (147 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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