2² × 5 × 9929

Prime Factor Structure

Factorization String 2^2 × 5 × 9929

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 417,060

Proper Divisor Sum 218,480

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #198571 ← → #198589

1 2 4 5 10 20 9,929 19,858 39,716 49,645 99,290 198,580

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

198,580 99,290 49,645 148,936 74,468 37,234 18,617 55,852 27,926 13,963 41,890 20,945 62,836 31,418 15,709 47,128 23,564 11,782 5,891 17,674 8,837 26,512 13,256 6,628 3,314 1,657 4,972 2,486 1,243 3,730 1,865 5,596 2,798 1,399 4,198 2,099 6,298 3,149 9,448 4,724 2,362 1,181 3,544 1,772 886 443 1,330 665 1,996 998 499 1,498 749 2,248 1,124 562 281 844 422 211

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