3 × 7 × 17 × 1373

Prime Factor Structure

Factorization String 3 × 7 × 17 × 1373

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 791,424

Proper Divisor Sum 301,263

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #490159 ← → #490169

1 3 7 17 21 51 119 357 1,373 4,119 9,611 23,341 28,833 70,023 163,387 490,161

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

490,161 1,470,484 735,242 367,621 1,102,864 551,432 275,716 137,858 68,929 206,788 103,394 51,697 155,092 77,546 38,773 116,320 58,160 29,080 14,540 7,270 3,635 10,906 5,453 16,360 8,180 4,090 2,045 6,136 3,068 1,534 767 2,302 1,151 3,454 1,727 5,182 2,591 7,774 3,887 11,662 5,831 17,494 8,747 26,242 13,121 39,364 19,682 9,841 29,524 14,762 7,381 22,144 11,072 5,536 2,768 1,384 692 346 173 520

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