3 × 11 × 37 × 181

Prime Factor Structure

Factorization String 3 × 11 × 37 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 331,968

Proper Divisor Sum 110,967

Digit Sum / Digital Root 6 (Root: 6)

Adjacent Primes #220973 ← → #221021

1 3 11 33 37 111 181 407 543 1,221 1,991 5,973 6,697 20,091 73,667 221,001

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

221,001 663,004 331,502 165,751 497,254 248,627 745,882 372,941 1,118,824 559,412 279,706 139,853 419,560 209,780 104,890 52,445 157,336 78,668 39,334 19,667 59,002 29,501 88,504 44,252 22,126 11,063 33,190 16,595 49,786 24,893 74,680 37,340 18,670 9,335 28,006 14,003 42,010 21,005 63,016 31,508 15,754 7,877 23,632 11,816 5,908 2,954 1,477 4,432 2,216 1,108 554 277 832 416 208 104 52 26 13 40

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