3² × 13² × 643

Prime Factor Structure

Factorization String 3^2 × 13^2 × 643

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,532,076

Proper Divisor Sum 554,073

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #978001 ← → #978007

1 3 9 13 39 117 169 507 643 1,521 1,929 5,787 8,359 25,077 75,231 108,667 326,001 978,003

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

978,003 2,934,010 1,467,005 4,401,016 2,200,508 1,100,254 550,127 1,650,382 825,191 2,475,574 1,237,787 3,713,362 1,856,681 5,570,044 2,785,022 1,392,511 4,177,534 2,088,767 6,266,302 3,133,151 9,399,454 4,699,727 14,099,182 7,049,591 21,148,774 10,574,387 31,723,162 15,861,581 47,584,744 23,792,372 11,896,186 5,948,093 17,844,280 8,922,140 4,461,070 2,230,535 6,691,606 3,345,803 10,037,410 5,018,705 15,056,116 7,528,058 3,764,029 11,292,088 5,646,044 2,823,022 1,411,511 4,234,534 2,117,267 6,351,802 3,175,901 9,527,704 4,763,852 2,381,926 1,190,963 3,572,890 1,786,445 5,359,336 2,679,668 1,339,834

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