7 × 11 × 17 × 991

Prime Factor Structure

Factorization String 7 × 11 × 17 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,714,176

Proper Divisor Sum 416,957

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1297217 ← → #1297229

1 7 11 17 77 119 187 991 1,309 6,937 10,901 16,847 76,307 117,929 185,317 1,297,219

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

1,297,219 3,891,658 1,945,829 5,837,488 2,918,744 1,459,372 729,686 364,843 1,094,530 547,265 1,641,796 820,898 410,449 1,231,348 615,674 307,837 923,512 461,756 230,878 115,439 346,318 173,159 519,478 259,739 779,218 389,609 1,168,828 584,414 292,207 876,622 438,311 1,314,934 657,467 1,972,402 986,201 2,958,604 1,479,302 739,651 2,218,954 1,109,477 3,328,432 1,664,216 832,108 416,054 208,027 624,082 312,041 936,124 468,062 234,031 702,094 351,047 1,053,142 526,571 1,579,714 789,857 2,369,572 1,184,786 592,393 1,777,180

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