19 × 37 × 1997

Prime Factor Structure

Factorization String 19 × 37 × 1997

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 1,518,480

Proper Divisor Sum 114,589

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #1403887 ← → #1403893

1 19 37 703 1,997 37,943 73,889 1,403,891

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

1,403,891 4,211,674 2,105,837 6,317,512 3,158,756 1,579,378 789,689 2,369,068 1,184,534 592,267 1,776,802 888,401 2,665,204 1,332,602 666,301 1,998,904 999,452 499,726 249,863 749,590 374,795 1,124,386 562,193 1,686,580 843,290 421,645 1,264,936 632,468 316,234 158,117 474,352 237,176 118,588 59,294 29,647 88,942 44,471 133,414 66,707 200,122 100,061 300,184 150,092 75,046 37,523 112,570 56,285 168,856 84,428 42,214 21,107 63,322 31,661 94,984 47,492 23,746 11,873 35,620 17,810 8,905

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