λ
Sequence Observatory

4,135,126

2 × 181 × 11423
Deficient Even Composite

Starting at 4,135,126, the Collatz iteration reaches 1 after 167 steps. The first transition is 2067563; the starting value is even with 8 positive divisors.

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Prime Factor Structure

Factorization String 2 × 181 × 11423
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 6,237,504
Proper Divisor Sum 2,102,378
Digit Sum / Digital Root 22 (Root: 4)
Adjacent Primes #4135123 ← → #4135127

Radix Representation

Decimal 4135126
Binary 1111110001100011010110 (22 bits)
Octal 0o17614326
Hexadecimal 0x3F18D6

Divisor Catalog (5 of 8)

Collatz Trajectory (167 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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