λ
Sequence Observatory

3,133,154

2 × 1566577
Deficient Even Composite

Starting at 3,133,154, the Collatz iteration reaches 1 after 71 steps. The first transition is 1566577; the starting value is even with 4 positive divisors.

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Prime Factor Structure

Factorization String 2 × 1566577
Distinct Prime Factors 2
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 4
Divisor Sum (σ) 4,699,734
Proper Divisor Sum 1,566,580
Digit Sum / Digital Root 20 (Root: 2)
Adjacent Primes #3133153 ← → #3133171

Radix Representation

Decimal 3133154
Binary 1011111100111011100010 (22 bits)
Octal 0o13747342
Hexadecimal 0x2FCEE2

Divisor Catalog (4)

1 2 1,566,577 3,133,154

Collatz Trajectory (71 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.

3,133,154 1,566,577 4,699,732 2,349,866 1,174,933

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