λ
Sequence Observatory

2,077,518

2 × 3 × 181 × 1913
Abundant Even Composite

Starting at 2,077,518, the Collatz iteration reaches 1 after 78 steps. The first transition is 1038759; the starting value is even with 16 positive divisors.

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Prime Factor Structure

Factorization String 2 × 3 × 181 × 1913
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 4,180,176
Proper Divisor Sum 2,102,658
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #2077499 ← → #2077549

Radix Representation

Decimal 2077518
Binary 111111011001101001110 (21 bits)
Octal 0o7731516
Hexadecimal 0x1FB34E

Divisor Catalog (5 of 16)

1 2 3 6 181

Collatz Trajectory (78 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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