3² × 7 × 47 × 223

Prime Factor Structure

Factorization String 3^2 × 7 × 47 × 223

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,118,208

Proper Divisor Sum 457,905

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #660299 ← → #660329

1 3 7 9 21 47 63 141 223 329 423 669 987 1,561 2,007 2,961 4,683 10,481 14,049 31,443 73,367 94,329 220,101 660,303

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

660,303 1,980,910 990,455 2,971,366 1,485,683 4,457,050 2,228,525 6,685,576 3,342,788 1,671,394 835,697 2,507,092 1,253,546 626,773 1,880,320 940,160 470,080 235,040 117,520 58,760 29,380 14,690 7,345 22,036 11,018 5,509 16,528 8,264 4,132 2,066 1,033 3,100 1,550 775 2,326 1,163 3,490 1,745 5,236 2,618 1,309 3,928 1,964 982 491 1,474 737 2,212 1,106 553 1,660 830 415 1,246 623 1,870 935 2,806 1,403 4,210

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