3² × 7 × 20533

Prime Factor Structure

Factorization String 3^2 × 7 × 20533

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,135,536

Proper Divisor Sum 841,957

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #1293559 ← → #1293583

1 3 7 9 21 63 20,533 61,599 143,731 184,797 431,193 1,293,579

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

1,293,579 3,880,738 1,940,369 5,821,108 2,910,554 1,455,277 4,365,832 2,182,916 1,091,458 545,729 1,637,188 818,594 409,297 1,227,892 613,946 306,973 920,920 460,460 230,230 115,115 345,346 172,673 518,020 259,010 129,505 388,516 194,258 97,129 291,388 145,694 72,847 218,542 109,271 327,814 163,907 491,722 245,861 737,584 368,792 184,396 92,198 46,099 138,298 69,149 207,448 103,724 51,862 25,931 77,794 38,897 116,692 58,346 29,173 87,520 43,760 21,880 10,940 5,470 2,735 8,206

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