λ
Sequence Observatory

273,285

32 × 5 × 6073
Deficient Odd Composite

Starting at 273,285, the Collatz iteration reaches 1 after 207 steps. The first transition is 819856; the starting value is odd with 12 positive divisors.

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Prime Factor Structure

Factorization String 3^2 × 5 × 6073
Distinct Prime Factors 3
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 473,772
Proper Divisor Sum 200,487
Digit Sum / Digital Root 27 (Root: 9)
Adjacent Primes #273283 ← → #273289

Radix Representation

Decimal 273285
Binary 1000010101110000101 (19 bits)
Octal 0o1025605
Hexadecimal 0x42B85

Divisor Catalog (5 of 12)

1 3 5 9 15

Collatz Trajectory (207 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.

273,285 819,856 409,928 204,964 102,482

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