2 × 3² × 11 × 37 × 71

Prime Factor Structure

Factorization String 2 × 3^2 × 11 × 37 × 71

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,280,448

Proper Divisor Sum 760,302

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #520129 ← → #520151

1 2 3 6 9 11 18 22 33 37 66 71 74 99 111 142 198 213 222 333 407 426 639 666 781 814 1,221 1,278 1,562 2,343 2,442 2,627 3,663 4,686 5,254 7,029 7,326 7,881 14,058 15,762 23,643 28,897 47,286 57,794 86,691 173,382 260,073 520,146

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

520,146 260,073 780,220 390,110 195,055 585,166 292,583 877,750 438,875 1,316,626 658,313 1,974,940 987,470 493,735 1,481,206 740,603 2,221,810 1,110,905 3,332,716 1,666,358 833,179 2,499,538 1,249,769 3,749,308 1,874,654 937,327 2,811,982 1,405,991 4,217,974 2,108,987 6,326,962 3,163,481 9,490,444 4,745,222 2,372,611 7,117,834 3,558,917 10,676,752 5,338,376 2,669,188 1,334,594 667,297 2,001,892 1,000,946 500,473 1,501,420 750,710 375,355 1,126,066 563,033 1,689,100 844,550 422,275 1,266,826 633,413 1,900,240 950,120 475,060 237,530 118,765

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