3 × 7 × 61 × 13691

Prime Factor Structure

Factorization String 3 × 7 × 61 × 13691

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 27,164,928

Proper Divisor Sum 9,626,757

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #17538161 ← → #17538181

1 3 7 21 61 183 427 1,281 13,691 41,073 95,837 287,511 835,151 2,505,453 5,846,057 17,538,171

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

17,538,171 52,614,514 26,307,257 78,921,772 39,460,886 19,730,443 59,191,330 29,595,665 88,786,996 44,393,498 22,196,749 66,590,248 33,295,124 16,647,562 8,323,781 24,971,344 12,485,672 6,242,836 3,121,418 1,560,709 4,682,128 2,341,064 1,170,532 585,266 292,633 877,900 438,950 219,475 658,426 329,213 987,640 493,820 246,910 123,455 370,366 185,183 555,550 277,775 833,326 416,663 1,249,990 624,995 1,874,986 937,493 2,812,480 1,406,240 703,120 351,560 175,780 87,890 43,945 131,836 65,918 32,959 98,878 49,439 148,318 74,159 222,478 111,239

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