λ
Sequence Observatory

260,698

2 × 130349
Deficient Even Composite

Starting at 260,698, the Collatz iteration reaches 1 after 163 steps. The first transition is 130349; the starting value is even with 4 positive divisors.

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Prime Factor Structure

Factorization String 2 × 130349
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 391,050
Proper Divisor Sum 130,352
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #260677 ← → #260713

Radix Representation

Decimal 260698
Binary 111111101001011010 (18 bits)
Octal 0o775132
Hexadecimal 0x3FA5A

Divisor Catalog (4)

Collatz Trajectory (163 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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