λ
Sequence Observatory

259,899

3 × 41 × 2113
Deficient Odd Composite

Starting at 259,899, the Collatz iteration reaches 1 after 163 steps. The first transition is 779698; the starting value is odd with 8 positive divisors.

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Prime Factor Structure

Factorization String 3 × 41 × 2113
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 8
Divisor Sum (σ) 355,152
Proper Divisor Sum 95,253
Digit Sum / Digital Root 42 (Root: 6)
Adjacent Primes #259867 ← → #259907

Radix Representation

Decimal 259899
Binary 111111011100111011 (18 bits)
Octal 0o773473
Hexadecimal 0x3F73B

Divisor Catalog (5 of 8)

1 3 41 123 2,113

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.

259,899 779,698 389,849 1,169,548 584,774

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