λ
Sequence Observatory

5,236,626

2 × 3 × 43 × 20297
Abundant Even Composite

Starting at 5,236,626, the Collatz iteration reaches 1 after 43 steps. The first transition is 2618313; the starting value is even with 16 positive divisors.

Prime Factor Structure

Factorization String 2 × 3 × 43 × 20297
Distinct Prime Factors 4
Square Status No
Abundance Measure Abundant

Analytical Properties

Total Divisors 16
Divisor Sum (σ) 10,717,344
Proper Divisor Sum 5,480,718
Digit Sum / Digital Root 30 (Root: 3)
Adjacent Primes #5236607 ← → #5236631

Radix Representation

Decimal 5236626
Binary 10011111110011110010010 (23 bits)
Octal 0o23763622
Hexadecimal 0x4FE792

Divisor Catalog (16)

1 2 3 6 43 86 129 258 20,297 40,594 60,891 121,782 872,771 1,745,542 2,618,313 5,236,626

Collatz Trajectory (43 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

5,236,626 2,618,313 7,854,940 3,927,470 1,963,735 5,891,206 2,945,603 8,836,810 4,418,405 13,255,216 6,627,608 3,313,804 1,656,902 828,451 2,485,354 1,242,677 3,728,032 1,864,016 932,008 466,004 233,002 116,501 349,504 174,752 87,376 43,688 21,844 10,922 5,461 16,384 8,192 4,096 2,048 1,024 512 256 128 64 32 16 8 4 2 1

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