3 × 7 × 61 × 13681

Prime Factor Structure

Factorization String 3 × 7 × 61 × 13681

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 27,145,088

Proper Divisor Sum 9,619,727

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #17525359 ← → #17525363

1 3 7 21 61 183 427 1,281 13,681 41,043 95,767 287,301 834,541 2,503,623 5,841,787 17,525,361

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

17,525,361 52,576,084 26,288,042 13,144,021 39,432,064 19,716,032 9,858,016 4,929,008 2,464,504 1,232,252 616,126 308,063 924,190 462,095 1,386,286 693,143 2,079,430 1,039,715 3,119,146 1,559,573 4,678,720 2,339,360 1,169,680 584,840 292,420 146,210 73,105 219,316 109,658 54,829 164,488 82,244 41,122 20,561 61,684 30,842 15,421 46,264 23,132 11,566 5,783 17,350 8,675 26,026 13,013 39,040 19,520 9,760 4,880 2,440 1,220 610 305 916 458 229 688 344 172 86

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