389 × 563

Prime Factor Structure

Factorization String 389 × 563

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 219,960

Proper Divisor Sum 953

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #219001 ← → #219017

1 389 563 219,007

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

219,007 657,022 328,511 985,534 492,767 1,478,302 739,151 2,217,454 1,108,727 3,326,182 1,663,091 4,989,274 2,494,637 7,483,912 3,741,956 1,870,978 935,489 2,806,468 1,403,234 701,617 2,104,852 1,052,426 526,213 1,578,640 789,320 394,660 197,330 98,665 295,996 147,998 73,999 221,998 110,999 332,998 166,499 499,498 249,749 749,248 374,624 187,312 93,656 46,828 23,414 11,707 35,122 17,561 52,684 26,342 13,171 39,514 19,757 59,272 29,636 14,818 7,409 22,228 11,114 5,557 16,672 8,336

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