λ
Sequence Observatory

2,909,104

24 × 11 × 16529
Abundant Even Composite

Starting at 2,909,104, the Collatz iteration reaches 1 after 275 steps. The first transition is 1454552; the starting value is even with 20 positive divisors.

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Prime Factor Structure

Factorization String 2^4 × 11 × 16529
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 6,149,160
Proper Divisor Sum 3,240,056
Digit Sum / Digital Root 25 (Root: 7)
Adjacent Primes #2909087 ← → #2909107

Radix Representation

Decimal 2909104
Binary 1011000110001110110000 (22 bits)
Octal 0o13061660
Hexadecimal 0x2C63B0

Divisor Catalog (5 of 20)

1 2 4 8 11

Collatz Trajectory (275 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.

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