11 × 19 × 23 × 29

Prime Factor Structure

Factorization String 11 × 19 × 23 × 29

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 172,800

Proper Divisor Sum 33,397

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #139397 ← → #139409

1 11 19 23 29 209 253 319 437 551 667 4,807 6,061 7,337 12,673 139,403

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

139,403 418,210 209,105 627,316 313,658 156,829 470,488 235,244 117,622 58,811 176,434 88,217 264,652 132,326 66,163 198,490 99,245 297,736 148,868 74,434 37,217 111,652 55,826 27,913 83,740 41,870 20,935 62,806 31,403 94,210 47,105 141,316 70,658 35,329 105,988 52,994 26,497 79,492 39,746 19,873 59,620 29,810 14,905 44,716 22,358 11,179 33,538 16,769 50,308 25,154 12,577 37,732 18,866 9,433 28,300 14,150 7,075 21,226 10,613 31,840

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