3 × 21397

Prime Factor Structure

Factorization String 3 × 21397

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 85,592

Proper Divisor Sum 21,401

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #64189 ← → #64217

1 3 21,397 64,191

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

64,191 192,574 96,287 288,862 144,431 433,294 216,647 649,942 324,971 974,914 487,457 1,462,372 731,186 365,593 1,096,780 548,390 274,195 822,586 411,293 1,233,880 616,940 308,470 154,235 462,706 231,353 694,060 347,030 173,515 520,546 260,273 780,820 390,410 195,205 585,616 292,808 146,404 73,202 36,601 109,804 54,902 27,451 82,354 41,177 123,532 61,766 30,883 92,650 46,325 138,976 69,488 34,744 17,372 8,686 4,343 13,030 6,515 19,546 9,773 29,320 14,660

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