3² × 23 × 43 × 71

Prime Factor Structure

Factorization String 3^2 × 23 × 43 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 988,416

Proper Divisor Sum 356,445

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #631937 ← → #631979

1 3 9 23 43 69 71 129 207 213 387 639 989 1,633 2,967 3,053 4,899 8,901 9,159 14,697 27,477 70,219 210,657 631,971

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

631,971 1,895,914 947,957 2,843,872 1,421,936 710,968 355,484 177,742 88,871 266,614 133,307 399,922 199,961 599,884 299,942 149,971 449,914 224,957 674,872 337,436 168,718 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 20

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