λ
Sequence Observatory

6,807,910

2 × 5 × 31 × 21961
Deficient Even Composite

Starting at 6,807,910, the Collatz iteration reaches 1 after 191 steps. The first transition is 3403955; the starting value is even with 16 positive divisors.

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Prime Factor Structure

Factorization String 2 × 5 × 31 × 21961
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 12,650,112
Proper Divisor Sum 5,842,202
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #6807901 ← → #6807919

Radix Representation

Decimal 6807910
Binary 11001111110000101100110 (23 bits)
Octal 0o31760546
Hexadecimal 0x67E166

Divisor Catalog (5 of 16)

1 2 5 10 31

Collatz Trajectory (191 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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