λ
Sequence Observatory

5,216,628

22 × 3 × 434719
Abundant Even Composite

Starting at 5,216,628, the Collatz iteration reaches 1 after 95 steps. The first transition is 2608314; the starting value is even with 12 positive divisors.

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Prime Factor Structure

Factorization String 2^2 × 3 × 434719
Distinct Prime Factors 3
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 12
Divisor Sum (σ) 12,172,160
Proper Divisor Sum 6,955,532
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #5216623 ← → #5216663

Radix Representation

Decimal 5216628
Binary 10011111001100101110100 (23 bits)
Octal 0o23714564
Hexadecimal 0x4F9974

Divisor Catalog (5 of 12)

1 2 3 4 6

Collatz Trajectory (95 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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