λ
Sequence Observatory

6,642,797

7 × 948971
Deficient Odd Composite

Starting at 6,642,797, the Collatz iteration reaches 1 after 253 steps. The first transition is 19928392; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 7 × 948971
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 7,591,776
Proper Divisor Sum 948,979
Digit Sum / Digital Root 41 (Root: 5)
Adjacent Primes #6642793 ← → #6642803

Radix Representation

Decimal 6642797
Binary 11001010101110001101101 (23 bits)
Octal 0o31256155
Hexadecimal 0x655C6D

Divisor Catalog (4)

Collatz Trajectory (253 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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