3 × 7 × 19 × 919

Prime Factor Structure

Factorization String 3 × 7 × 19 × 919

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 588,800

Proper Divisor Sum 222,119

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #366677 ← → #366683

1 3 7 19 21 57 133 399 919 2,757 6,433 17,461 19,299 52,383 122,227 366,681

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

366,681 1,100,044 550,022 275,011 825,034 412,517 1,237,552 618,776 309,388 154,694 77,347 232,042 116,021 348,064 174,032 87,016 43,508 21,754 10,877 32,632 16,316 8,158 4,079 12,238 6,119 18,358 9,179 27,538 13,769 41,308 20,654 10,327 30,982 15,491 46,474 23,237 69,712 34,856 17,428 8,714 4,357 13,072 6,536 3,268 1,634 817 2,452 1,226 613 1,840 920 460 230 115 346 173 520 260 130 65

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