7 × 19 × 109 × 139

Prime Factor Structure

Factorization String 7 × 19 × 109 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,464,000

Proper Divisor Sum 448,917

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #2015081 ← → #2015087

1 7 19 109 133 139 763 973 2,071 2,641 14,497 15,151 18,487 106,057 287,869 2,015,083

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

2,015,083 6,045,250 3,022,625 9,067,876 4,533,938 2,266,969 6,800,908 3,400,454 1,700,227 5,100,682 2,550,341 7,651,024 3,825,512 1,912,756 956,378 478,189 1,434,568 717,284 358,642 179,321 537,964 268,982 134,491 403,474 201,737 605,212 302,606 151,303 453,910 226,955 680,866 340,433 1,021,300 510,650 255,325 765,976 382,988 191,494 95,747 287,242 143,621 430,864 215,432 107,716 53,858 26,929 80,788 40,394 20,197 60,592 30,296 15,148 7,574 3,787 11,362 5,681 17,044 8,522 4,261 12,784

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