3² × 11² × 479

Prime Factor Structure

Factorization String 3^2 × 11^2 × 479

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 829,920

Proper Divisor Sum 308,289

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #521603 ← → #521641

1 3 9 11 33 99 121 363 479 1,089 1,437 4,311 5,269 15,807 47,421 57,959 173,877 521,631

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

521,631 1,564,894 782,447 2,347,342 1,173,671 3,521,014 1,760,507 5,281,522 2,640,761 7,922,284 3,961,142 1,980,571 5,941,714 2,970,857 8,912,572 4,456,286 2,228,143 6,684,430 3,342,215 10,026,646 5,013,323 15,039,970 7,519,985 22,559,956 11,279,978 5,639,989 16,919,968 8,459,984 4,229,992 2,114,996 1,057,498 528,749 1,586,248 793,124 396,562 198,281 594,844 297,422 148,711 446,134 223,067 669,202 334,601 1,003,804 501,902 250,951 752,854 376,427 1,129,282 564,641 1,693,924 846,962 423,481 1,270,444 635,222 317,611 952,834 476,417 1,429,252 714,626

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