7² × 13² × 53

Prime Factor Structure

Factorization String 7^2 × 13^2 × 53

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 563,274

Proper Divisor Sum 124,381

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #438887 ← → #438899

1 7 13 49 53 91 169 371 637 689 1,183 2,597 4,823 8,281 8,957 33,761 62,699 438,893

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

438,893 1,316,680 658,340 329,170 164,585 493,756 246,878 123,439 370,318 185,159 555,478 277,739 833,218 416,609 1,249,828 624,914 312,457 937,372 468,686 234,343 703,030 351,515 1,054,546 527,273 1,581,820 790,910 395,455 1,186,366 593,183 1,779,550 889,775 2,669,326 1,334,663 4,003,990 2,001,995 6,005,986 3,002,993 9,008,980 4,504,490 2,252,245 6,756,736 3,378,368 1,689,184 844,592 422,296 211,148 105,574 52,787 158,362 79,181 237,544 118,772 59,386 29,693 89,080 44,540 22,270 11,135 33,406 16,703

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