3² × 7 × 6221

Prime Factor Structure

Factorization String 3^2 × 7 × 6221

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 647,088

Proper Divisor Sum 255,165

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #391921 ← → #391939

1 3 7 9 21 63 6,221 18,663 43,547 55,989 130,641 391,923

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

391,923 1,175,770 587,885 1,763,656 881,828 440,914 220,457 661,372 330,686 165,343 496,030 248,015 744,046 372,023 1,116,070 558,035 1,674,106 837,053 2,511,160 1,255,580 627,790 313,895 941,686 470,843 1,412,530 706,265 2,118,796 1,059,398 529,699 1,589,098 794,549 2,383,648 1,191,824 595,912 297,956 148,978 74,489 223,468 111,734 55,867 167,602 83,801 251,404 125,702 62,851 188,554 94,277 282,832 141,416 70,708 35,354 17,677 53,032 26,516 13,258 6,629 19,888 9,944 4,972 2,486

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