2 × 19 × 191 × 199

Prime Factor Structure

Factorization String 2 × 19 × 191 × 199

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,304,000

Proper Divisor Sum 859,658

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #1444309 ← → #1444411

1 2 19 38 191 199 382 398 3,629 3,781 7,258 7,562 38,009 76,018 722,171 1,444,342

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

1,444,342 722,171 2,166,514 1,083,257 3,249,772 1,624,886 812,443 2,437,330 1,218,665 3,655,996 1,827,998 913,999 2,741,998 1,370,999 4,112,998 2,056,499 6,169,498 3,084,749 9,254,248 4,627,124 2,313,562 1,156,781 3,470,344 1,735,172 867,586 433,793 1,301,380 650,690 325,345 976,036 488,018 244,009 732,028 366,014 183,007 549,022 274,511 823,534 411,767 1,235,302 617,651 1,852,954 926,477 2,779,432 1,389,716 694,858 347,429 1,042,288 521,144 260,572 130,286 65,143 195,430 97,715 293,146 146,573 439,720 219,860 109,930 54,965

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