5 × 31 × 89 × 991

Prime Factor Structure

Factorization String 5 × 31 × 89 × 991

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 17,141,760

Proper Divisor Sum 3,470,915

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #13670827 ← → #13670851

1 5 31 89 155 445 991 2,759 4,955 13,795 30,721 88,199 153,605 440,995 2,734,169 13,670,845

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

13,670,845 41,012,536 20,506,268 10,253,134 5,126,567 15,379,702 7,689,851 23,069,554 11,534,777 34,604,332 17,302,166 8,651,083 25,953,250 12,976,625 38,929,876 19,464,938 9,732,469 29,197,408 14,598,704 7,299,352 3,649,676 1,824,838 912,419 2,737,258 1,368,629 4,105,888 2,052,944 1,026,472 513,236 256,618 128,309 384,928 192,464 96,232 48,116 24,058 12,029 36,088 18,044 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455

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