λ
Sequence Observatory

9,212,784

24 × 3 × 72 × 3917
Abundant Even Composite

Starting at 9,212,784, the Collatz iteration reaches 1 after 106 steps. The first transition is 4606392; the starting value is even with 60 positive divisors.

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Prime Factor Structure

Factorization String 2^4 × 3 × 7^2 × 3917
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 60
Divisor Sum (σ) 27,692,424
Proper Divisor Sum 18,479,640
Digit Sum / Digital Root 33 (Root: 6)
Adjacent Primes #9212783 ← → #9212809

Radix Representation

Decimal 9212784
Binary 100011001001001101110000 (24 bits)
Octal 0o43111560
Hexadecimal 0x8C9370

Divisor Catalog (5 of 60)

1 2 3 4 6

Collatz Trajectory (106 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.

9,212,784 4,606,392 2,303,196 1,151,598 575,799

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