λ
Sequence Observatory

8,355,163

193 × 43291
Deficient Odd Composite

Starting at 8,355,163, the Collatz iteration reaches 1 after 186 steps. The first transition is 25065490; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 193 × 43291
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 8,398,648
Proper Divisor Sum 43,485
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #8355133 ← → #8355173

Radix Representation

Decimal 8355163
Binary 11111110111110101011011 (23 bits)
Octal 0o37676533
Hexadecimal 0x7F7D5B

Divisor Catalog (4)

Collatz Trajectory (186 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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