3 × 7² × 2621

Prime Factor Structure

Factorization String 3 × 7^2 × 2621

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 597,816

Proper Divisor Sum 212,529

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #385279 ← → #385289

1 3 7 21 49 147 2,621 7,863 18,347 55,041 128,429 385,287

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

385,287 1,155,862 577,931 1,733,794 866,897 2,600,692 1,300,346 650,173 1,950,520 975,260 487,630 243,815 731,446 365,723 1,097,170 548,585 1,645,756 822,878 411,439 1,234,318 617,159 1,851,478 925,739 2,777,218 1,388,609 4,165,828 2,082,914 1,041,457 3,124,372 1,562,186 781,093 2,343,280 1,171,640 585,820 292,910 146,455 439,366 219,683 659,050 329,525 988,576 494,288 247,144 123,572 61,786 30,893 92,680 46,340 23,170 11,585 34,756 17,378 8,689 26,068 13,034 6,517 19,552 9,776 4,888 2,444

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