3 × 13 × 526213

Prime Factor Structure

Factorization String 3 × 13 × 526213

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 29,467,984

Proper Divisor Sum 8,945,677

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #20522297 ← → #20522351

1 3 13 39 526,213 1,578,639 6,840,769 20,522,307

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

20,522,307 61,566,922 30,783,461 92,350,384 46,175,192 23,087,596 11,543,798 5,771,899 17,315,698 8,657,849 25,973,548 12,986,774 6,493,387 19,480,162 9,740,081 29,220,244 14,610,122 7,305,061 21,915,184 10,957,592 5,478,796 2,739,398 1,369,699 4,109,098 2,054,549 6,163,648 3,081,824 1,540,912 770,456 385,228 192,614 96,307 288,922 144,461 433,384 216,692 108,346 54,173 162,520 81,260 40,630 20,315 60,946 30,473 91,420 45,710 22,855 68,566 34,283 102,850 51,425 154,276 77,138 38,569 115,708 57,854 28,927 86,782 43,391 130,174

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