λ
Sequence Observatory

2,816,446

2 × 19 × 137 × 541
Deficient Even Composite

Starting at 2,816,446, the Collatz iteration reaches 1 after 130 steps. The first transition is 1408223; the starting value is even with 16 positive divisors.

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Prime Factor Structure

Factorization String 2 × 19 × 137 × 541
Distinct Prime Factors 4
Square Status No
Abundance Measure Deficient

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 4,487,760
Proper Divisor Sum 1,671,314
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #2816399 ← → #2816453

Radix Representation

Decimal 2816446
Binary 1010101111100110111110 (22 bits)
Octal 0o12574676
Hexadecimal 0x2AF9BE

Divisor Catalog (5 of 16)

1 2 19 38 137

Collatz Trajectory (130 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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