2² × 3 × 7² × 17 × 1999

Prime Factor Structure

Factorization String 2^2 × 3 × 7^2 × 17 × 1999

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 72

Divisor Sum (σ) 57,456,000

Proper Divisor Sum 37,473,996

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #19981999 ← → #19982029

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

19,982,004 9,991,002 4,995,501 14,986,504 7,493,252 3,746,626 1,873,313 5,619,940 2,809,970 1,404,985 4,214,956 2,107,478 1,053,739 3,161,218 1,580,609 4,741,828 2,370,914 1,185,457 3,556,372 1,778,186 889,093 2,667,280 1,333,640 666,820 333,410 166,705 500,116 250,058 125,029 375,088 187,544 93,772 46,886 23,443 70,330 35,165 105,496 52,748 26,374 13,187 39,562 19,781 59,344 29,672 14,836 7,418 3,709 11,128 5,564 2,782 1,391 4,174 2,087 6,262 3,131 9,394 4,697 14,092 7,046 3,523

Other feeder batches with open delivery windows. Each feeder keeps its own target batch.