2 × 5 × 7 × 1993

Prime Factor Structure

Factorization String 2 × 5 × 7 × 1993

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 287,136

Proper Divisor Sum 147,626

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #139501 ← → #139511

1 2 5 7 10 14 35 70 1,993 3,986 9,965 13,951 19,930 27,902 69,755 139,510

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

139,510 69,755 209,266 104,633 313,900 156,950 78,475 235,426 117,713 353,140 176,570 88,285 264,856 132,428 66,214 33,107 99,322 49,661 148,984 74,492 37,246 18,623 55,870 27,935 83,806 41,903 125,710 62,855 188,566 94,283 282,850 141,425 424,276 212,138 106,069 318,208 159,104 79,552 39,776 19,888 9,944 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

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