λ
Sequence Observatory

1,878,612

22 × 3 × 89 × 1759
Abundant Even Composite

Starting at 1,878,612, the Collatz iteration reaches 1 after 83 steps. The first transition is 939306; the starting value is even with 24 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 3 × 89 × 1759
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 24
Divisor Sum (σ) 4,435,200
Proper Divisor Sum 2,556,588
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #1878593 ← → #1878623

Radix Representation

Decimal 1878612
Binary 111001010101001010100 (21 bits)
Octal 0o7125124
Hexadecimal 0x1CAA54

Divisor Catalog (5 of 24)

1 2 3 4 6

Collatz Trajectory (83 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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