λ
Sequence Observatory

242,401

223 × 1087
Deficient Odd Composite

Starting at 242,401, the Collatz iteration reaches 1 after 150 steps. The first transition is 727204; the starting value is odd with 4 positive divisors.

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Prime Factor Structure

Factorization String 223 × 1087
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 243,712
Proper Divisor Sum 1,311
Digit Sum / Digital Root 13 (Root: 4)
Adjacent Primes #242399 ← → #242413

Radix Representation

Decimal 242401
Binary 111011001011100001 (18 bits)
Octal 0o731341
Hexadecimal 0x3B2E1

Divisor Catalog (4)

1 223 1,087 242,401

Collatz Trajectory (150 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.

242,401 727,204 363,602 181,801 545,404

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