2³ × 5 × 13³ × 19

Prime Factor Structure

Factorization String 2^3 × 5 × 13^3 × 19

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 4,284,000

Proper Divisor Sum 2,614,280

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1669697 ← → #1669727

1 2 4 5 8 10 13 19 20 26 38 40 52 65 76 95 104 130 152 169 190 247 260 338 380 494 520 676 760 845 988 1,235 1,352 1,690 1,976 2,197 2,470 3,211 3,380 4,394 4,940 6,422 6,760 8,788 9,880 10,985 12,844 16,055 17,576 21,970 25,688 32,110 41,743 43,940 64,220 83,486 87,880 128,440 166,972 208,715

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

1,669,720 834,860 417,430 208,715 626,146 313,073 939,220 469,610 234,805 704,416 352,208 176,104 88,052 44,026 22,013 66,040 33,020 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693 188,080 94,040 47,020 23,510 11,755 35,266 17,633 52,900 26,450 13,225 39,676 19,838 9,919 29,758 14,879 44,638 22,319 66,958 33,479 100,438 50,219 150,658 75,329 225,988 112,994 56,497 169,492 84,746 42,373 127,120 63,560

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