3³ × 11 × 1721

Prime Factor Structure

Factorization String 3^3 × 11 × 1721

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 826,560

Proper Divisor Sum 315,423

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #511123 ← → #511151

1 3 9 11 27 33 99 297 1,721 5,163 15,489 18,931 46,467 56,793 170,379 511,137

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

511,137 1,533,412 766,706 383,353 1,150,060 575,030 287,515 862,546 431,273 1,293,820 646,910 323,455 970,366 485,183 1,455,550 727,775 2,183,326 1,091,663 3,274,990 1,637,495 4,912,486 2,456,243 7,368,730 3,684,365 11,053,096 5,526,548 2,763,274 1,381,637 4,144,912 2,072,456 1,036,228 518,114 259,057 777,172 388,586 194,293 582,880 291,440 145,720 72,860 36,430 18,215 54,646 27,323 81,970 40,985 122,956 61,478 30,739 92,218 46,109 138,328 69,164 34,582 17,291 51,874 25,937 77,812 38,906 19,453

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