3 × 7 × 19 × 2111

Prime Factor Structure

Factorization String 3 × 7 × 19 × 2111

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,351,680

Proper Divisor Sum 509,391

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #842279 ← → #842291

1 3 7 19 21 57 133 399 2,111 6,333 14,777 40,109 44,331 120,327 280,763 842,289

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

842,289 2,526,868 1,263,434 631,717 1,895,152 947,576 473,788 236,894 118,447 355,342 177,671 533,014 266,507 799,522 399,761 1,199,284 599,642 299,821 899,464 449,732 224,866 112,433 337,300 168,650 84,325 252,976 126,488 63,244 31,622 15,811 47,434 23,717 71,152 35,576 17,788 8,894 4,447 13,342 6,671 20,014 10,007 30,022 15,011 45,034 22,517 67,552 33,776 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074

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