3² × 11 × 19919

Prime Factor Structure

Factorization String 3^2 × 11 × 19919

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 3,107,520

Proper Divisor Sum 1,135,539

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #1971967 ← → #1972007

1 3 9 11 33 99 19,919 59,757 179,271 219,109 657,327 1,971,981

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

1,971,981 5,915,944 2,957,972 1,478,986 739,493 2,218,480 1,109,240 554,620 277,310 138,655 415,966 207,983 623,950 311,975 935,926 467,963 1,403,890 701,945 2,105,836 1,052,918 526,459 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

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