λ
Sequence Observatory

6,812,537

6812537
Deficient Odd Prime

Starting at 6,812,537, the Collatz iteration reaches 1 after 191 steps. The first transition is 20437612; the starting value is odd with 2 positive divisors.

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Prime Factor Structure

Factorization String 6812537
Distinct Prime Factors 1
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 2
Divisor Sum (σ) 6,812,538
Proper Divisor Sum 1
Digit Sum / Digital Root 32 (Root: 5)
Adjacent Primes #6812527 ← → #6812539

Radix Representation

Decimal 6812537
Binary 11001111111001101111001 (23 bits)
Octal 0o31771571
Hexadecimal 0x67F379

Divisor Catalog (2)

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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