λ
Sequence Observatory

275,154

2 × 3 × 112 × 379
Abundant Even Composite

Starting at 275,154, the Collatz iteration reaches 1 after 70 steps. The first transition is 137577; the starting value is even with 24 positive divisors.

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Prime Factor Structure

Factorization String 2 × 3 × 11^2 × 379
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 606,480
Proper Divisor Sum 331,326
Digit Sum / Digital Root 24 (Root: 6)
Adjacent Primes #275153 ← → #275159

Radix Representation

Decimal 275154
Binary 1000011001011010010 (19 bits)
Octal 0o1031322
Hexadecimal 0x432D2

Divisor Catalog (5 of 24)

1 2 3 6 11

Collatz Trajectory (70 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.

275,154 137,577 412,732 206,366 103,183

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