2⁴ × 5 × 7 × 37691

Prime Factor Structure

Factorization String 2^4 × 5 × 7 × 37691

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 56,085,696

Proper Divisor Sum 34,978,736

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21106957 ← → #21106961

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

21,106,960 10,553,480 5,276,740 2,638,370 1,319,185 3,957,556 1,978,778 989,389 2,968,168 1,484,084 742,042 371,021 1,113,064 556,532 278,266 139,133 417,400 208,700 104,350 52,175 156,526 78,263 234,790 117,395 352,186 176,093 528,280 264,140 132,070 66,035 198,106 99,053 297,160 148,580 74,290 37,145 111,436 55,718 27,859 83,578 41,789 125,368 62,684 31,342 15,671 47,014 23,507 70,522 35,261 105,784 52,892 26,446 13,223 39,670 19,835 59,506 29,753 89,260 44,630 22,315

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