λ
Sequence Observatory

7,930,480

24 × 5 × 99131
Abundant Even Composite

Starting at 7,930,480, the Collatz iteration reaches 1 after 168 steps. The first transition is 3965240; the starting value is even with 20 positive divisors.

Resources

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Prime Factor Structure

Factorization String 2^4 × 5 × 99131
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 20
Divisor Sum (σ) 18,438,552
Proper Divisor Sum 10,508,072
Digit Sum / Digital Root 31 (Root: 4)
Adjacent Primes #7930471 ← → #7930529

Radix Representation

Decimal 7930480
Binary 11110010000001001110000 (23 bits)
Octal 0o36201160
Hexadecimal 0x790270

Divisor Catalog (5 of 20)

1 2 4 5 8

Collatz Trajectory (168 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.

7,930,480 3,965,240 1,982,620 991,310 495,655

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