λ
Sequence Observatory

6,516,507

3 × 167 × 13007
Deficient Odd Composite

Starting at 6,516,507, the Collatz iteration reaches 1 after 227 steps. The first transition is 19549522; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 3 × 167 × 13007
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 8,741,376
Proper Divisor Sum 2,224,869
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #6516481 ← → #6516511

Radix Representation

Decimal 6516507
Binary 11000110110111100011011 (23 bits)
Octal 0o30667433
Hexadecimal 0x636F1B

Divisor Catalog (5 of 8)

Collatz Trajectory (227 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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