643 × 1163

Prime Factor Structure

Factorization String 643 × 1163

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 749,616

Proper Divisor Sum 1,807

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #747781 ← → #747811

1 643 1,163 747,809

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

747,809 2,243,428 1,121,714 560,857 1,682,572 841,286 420,643 1,261,930 630,965 1,892,896 946,448 473,224 236,612 118,306 59,153 177,460 88,730 44,365 133,096 66,548 33,274 16,637 49,912 24,956 12,478 6,239 18,718 9,359 28,078 14,039 42,118 21,059 63,178 31,589 94,768 47,384 23,692 11,846 5,923 17,770 8,885 26,656 13,328 6,664 3,332 1,666 833 2,500 1,250 625 1,876 938 469 1,408 704 352 176 88 44 22

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