2² × 3³ × 7 × 821

Prime Factor Structure

Factorization String 2^2 × 3^3 × 7 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,841,280

Proper Divisor Sum 1,220,604

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #620671 ← → #620689

1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 821 1,642 2,463 3,284 4,926 5,747 7,389 9,852 11,494 14,778 17,241 22,167 22,988 29,556 34,482 44,334 51,723 68,964 88,668 103,446 155,169 206,892 310,338 620,676

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

620,676 310,338 155,169 465,508 232,754 116,377 349,132 174,566 87,283 261,850 130,925 392,776 196,388 98,194 49,097 147,292 73,646 36,823 110,470 55,235 165,706 82,853 248,560 124,280 62,140 31,070 15,535 46,606 23,303 69,910 34,955 104,866 52,433 157,300 78,650 39,325 117,976 58,988 29,494 14,747 44,242 22,121 66,364 33,182 16,591 49,774 24,887 74,662 37,331 111,994 55,997 167,992 83,996 41,998 20,999 62,998 31,499 94,498 47,249 141,748

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