7² × 17 × 773

Prime Factor Structure

Factorization String 7^2 × 17 × 773

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 794,124

Proper Divisor Sum 150,215

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #643889 ← → #643919

1 7 17 49 119 773 833 5,411 13,141 37,877 91,987 643,909

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

643,909 1,931,728 965,864 482,932 241,466 120,733 362,200 181,100 90,550 45,275 135,826 67,913 203,740 101,870 50,935 152,806 76,403 229,210 114,605 343,816 171,908 85,954 42,977 128,932 64,466 32,233 96,700 48,350 24,175 72,526 36,263 108,790 54,395 163,186 81,593 244,780 122,390 61,195 183,586 91,793 275,380 137,690 68,845 206,536 103,268 51,634 25,817 77,452 38,726 19,363 58,090 29,045 87,136 43,568 21,784 10,892 5,446 2,723 8,170 4,085

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