3 × 7² × 141359

Prime Factor Structure

Factorization String 3 × 7^2 × 141359

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 32,230,080

Proper Divisor Sum 11,450,307

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #20779769 ← → #20779789

1 3 7 21 49 147 141,359 424,077 989,513 2,968,539 6,926,591 20,779,773

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

20,779,773 62,339,320 31,169,660 15,584,830 7,792,415 23,377,246 11,688,623 35,065,870 17,532,935 52,598,806 26,299,403 78,898,210 39,449,105 118,347,316 59,173,658 29,586,829 88,760,488 44,380,244 22,190,122 11,095,061 33,285,184 16,642,592 8,321,296 4,160,648 2,080,324 1,040,162 520,081 1,560,244 780,122 390,061 1,170,184 585,092 292,546 146,273 438,820 219,410 109,705 329,116 164,558 82,279 246,838 123,419 370,258 185,129 555,388 277,694 138,847 416,542 208,271 624,814 312,407 937,222 468,611 1,405,834 702,917 2,108,752 1,054,376 527,188 263,594 131,797

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