λ
Sequence Observatory

6,813,507

3 × 971 × 2339
Deficient Odd Composite

Starting at 6,813,507, the Collatz iteration reaches 1 after 178 steps. The first transition is 20440522; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 3 × 971 × 2339
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 9,097,920
Proper Divisor Sum 2,284,413
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #6813491 ← → #6813509

Radix Representation

Decimal 6813507
Binary 11001111111011101000011 (23 bits)
Octal 0o31773503
Hexadecimal 0x67F743

Divisor Catalog (5 of 8)

Collatz Trajectory (178 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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