3² × 11 × 13³

Prime Factor Structure

Factorization String 3^2 × 11 × 13^3

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 371,280

Proper Divisor Sum 153,777

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #217499 ← → #217517

1 3 9 11 13 33 39 99 117 143 169 429 507 1,287 1,521 1,859 2,197 5,577 6,591 16,731 19,773 24,167 72,501 217,503

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

217,503 652,510 326,255 978,766 489,383 1,468,150 734,075 2,202,226 1,101,113 3,303,340 1,651,670 825,835 2,477,506 1,238,753 3,716,260 1,858,130 929,065 2,787,196 1,393,598 696,799 2,090,398 1,045,199 3,135,598 1,567,799 4,703,398 2,351,699 7,055,098 3,527,549 10,582,648 5,291,324 2,645,662 1,322,831 3,968,494 1,984,247 5,952,742 2,976,371 8,929,114 4,464,557 13,393,672 6,696,836 3,348,418 1,674,209 5,022,628 2,511,314 1,255,657 3,766,972 1,883,486 941,743 2,825,230 1,412,615 4,237,846 2,118,923 6,356,770 3,178,385 9,535,156 4,767,578 2,383,789 7,151,368 3,575,684 1,787,842

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