λ
Sequence Observatory

8,750,872

23 × 13 × 84143
Abundant Even Composite

Starting at 8,750,872, the Collatz iteration reaches 1 after 137 steps. The first transition is 4375436; the starting value is even with 16 positive divisors.

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Prime Factor Structure

Factorization String 2^3 × 13 × 84143
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 17,670,240
Proper Divisor Sum 8,919,368
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #8750867 ← → #8750873

Radix Representation

Decimal 8750872
Binary 100001011000011100011000 (24 bits)
Octal 0o41303430
Hexadecimal 0x858718

Divisor Catalog (5 of 16)

1 2 4 8 13

Collatz Trajectory (137 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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