λ
Sequence Observatory

149,326

2 × 197 × 379
Deficient Even Composite

Starting at 149,326, the Collatz iteration reaches 1 after 126 steps. The first transition is 74663; the starting value is even with 8 positive divisors.

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Prime Factor Structure

Factorization String 2 × 197 × 379
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 225,720
Proper Divisor Sum 76,394
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #149323 ← → #149333

Radix Representation

Decimal 149326
Binary 100100011101001110 (18 bits)
Octal 0o443516
Hexadecimal 0x2474E

Divisor Catalog (5 of 8)

Collatz Trajectory (126 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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