7 × 19 × 47 × 421

Prime Factor Structure

Factorization String 7 × 19 × 47 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,240,960

Proper Divisor Sum 609,289

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2631661 ← → #2631679

1 7 19 47 133 329 421 893 2,947 6,251 7,999 19,787 55,993 138,509 375,953 2,631,671

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

2,631,671 7,895,014 3,947,507 11,842,522 5,921,261 17,763,784 8,881,892 4,440,946 2,220,473 6,661,420 3,330,710 1,665,355 4,996,066 2,498,033 7,494,100 3,747,050 1,873,525 5,620,576 2,810,288 1,405,144 702,572 351,286 175,643 526,930 263,465 790,396 395,198 197,599 592,798 296,399 889,198 444,599 1,333,798 666,899 2,000,698 1,000,349 3,001,048 1,500,524 750,262 375,131 1,125,394 562,697 1,688,092 844,046 422,023 1,266,070 633,035 1,899,106 949,553 2,848,660 1,424,330 712,165 2,136,496 1,068,248 534,124 267,062 133,531 400,594 200,297 600,892

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