λ
Sequence Observatory

9,621,560

23 × 5 × 13 × 18503
Abundant Even Composite

Starting at 9,621,560, the Collatz iteration reaches 1 after 238 steps. The first transition is 4810780; the starting value is even with 32 positive divisors.

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Prime Factor Structure

Factorization String 2^3 × 5 × 13 × 18503
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 32
Divisor Sum (σ) 23,315,040
Proper Divisor Sum 13,693,480
Digit Sum / Digital Root 29 (Root: 2)
Adjacent Primes #9621509 ← → #9621571

Radix Representation

Decimal 9621560
Binary 100100101101000000111000 (24 bits)
Octal 0o44550070
Hexadecimal 0x92D038

Divisor Catalog (5 of 32)

1 2 4 5 8

Collatz Trajectory (238 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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