λ
Sequence Observatory

4,115,343

3 × 17 × 19 × 31 × 137
Deficient Odd Composite

Starting at 4,115,343, the Collatz iteration reaches 1 after 198 steps. The first transition is 12346030; the starting value is odd with 32 positive divisors.

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Prime Factor Structure

Factorization String 3 × 17 × 19 × 31 × 137
Distinct Prime Factors 5
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 6,359,040
Proper Divisor Sum 2,243,697
Digit Sum / Digital Root 21 (Root: 3)
Adjacent Primes #4115333 ← → #4115351

Radix Representation

Decimal 4115343
Binary 1111101100101110001111 (22 bits)
Octal 0o17545617
Hexadecimal 0x3ECB8F

Divisor Catalog (5 of 32)

1 3 17 19 31

Collatz Trajectory (198 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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