λ
Sequence Observatory

8,825,572

22 × 7 × 315199
Abundant Even Composite

Starting at 8,825,572, the Collatz iteration reaches 1 after 181 steps. The first transition is 4412786; the starting value is even with 12 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 7 × 315199
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 17,651,200
Proper Divisor Sum 8,825,628
Digit Sum / Digital Root 37 (Root: 1)
Adjacent Primes #8825569 ← → #8825581

Radix Representation

Decimal 8825572
Binary 100001101010101011100100 (24 bits)
Octal 0o41525344
Hexadecimal 0x86AAE4

Divisor Catalog (5 of 12)

1 2 4 7 14

Collatz Trajectory (181 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.

8,825,572 4,412,786 2,206,393 6,619,180 3,309,590

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