3 × 23 × 43 × 71

Prime Factor Structure

Factorization String 3 × 23 × 43 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 304,128

Proper Divisor Sum 93,471

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #210643 ← → #210659

1 3 23 43 69 71 129 213 989 1,633 2,967 3,053 4,899 9,159 70,219 210,657

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

210,657 631,972 315,986 157,993 473,980 236,990 118,495 355,486 177,743 533,230 266,615 799,846 399,923 1,199,770 599,885 1,799,656 899,828 449,914 224,957 674,872 337,436 168,718 84,359 253,078 126,539 379,618 189,809 569,428 284,714 142,357 427,072 213,536 106,768 53,384 26,692 13,346 6,673 20,020 10,010 5,005 15,016 7,508 3,754 1,877 5,632 2,816 1,408 704 352 176 88 44 22 11 34 17 52 26 13 40

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