2 × 13 × 199 × 421

Prime Factor Structure

Factorization String 2 × 13 × 199 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,544,800

Proper Divisor Sum 1,366,546

Digit Sum / Digital Root 29 (Root: 2)

Adjacent Primes #2178223 ← → #2178257

1 2 13 26 199 398 421 842 2,587 5,174 5,473 10,946 83,779 167,558 1,089,127 2,178,254

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

2,178,254 1,089,127 3,267,382 1,633,691 4,901,074 2,450,537 7,351,612 3,675,806 1,837,903 5,513,710 2,756,855 8,270,566 4,135,283 12,405,850 6,202,925 18,608,776 9,304,388 4,652,194 2,326,097 6,978,292 3,489,146 1,744,573 5,233,720 2,616,860 1,308,430 654,215 1,962,646 981,323 2,943,970 1,471,985 4,415,956 2,207,978 1,103,989 3,311,968 1,655,984 827,992 413,996 206,998 103,499 310,498 155,249 465,748 232,874 116,437 349,312 174,656 87,328 43,664 21,832 10,916 5,458 2,729 8,188 4,094 2,047 6,142 3,071 9,214 4,607 13,822

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