3 × 7 × 17 × 1229

Prime Factor Structure

Factorization String 3 × 7 × 17 × 1229

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 708,480

Proper Divisor Sum 269,727

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #438733 ← → #438761

1 3 7 17 21 51 119 357 1,229 3,687 8,603 20,893 25,809 62,679 146,251 438,753

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

438,753 1,316,260 658,130 329,065 987,196 493,598 246,799 740,398 370,199 1,110,598 555,299 1,665,898 832,949 2,498,848 1,249,424 624,712 312,356 156,178 78,089 234,268 117,134 58,567 175,702 87,851 263,554 131,777 395,332 197,666 98,833 296,500 148,250 74,125 222,376 111,188 55,594 27,797 83,392 41,696 20,848 10,424 5,212 2,606 1,303 3,910 1,955 5,866 2,933 8,800 4,400 2,200 1,100 550 275 826 413 1,240 620 310 155 466

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