3 × 5 × 7 × 1307

Prime Factor Structure

Factorization String 3 × 5 × 7 × 1307

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 251,136

Proper Divisor Sum 113,901

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #137219 ← → #137239

1 3 5 7 15 21 35 105 1,307 3,921 6,535 9,149 19,605 27,447 45,745 137,235

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

137,235 411,706 205,853 617,560 308,780 154,390 77,195 231,586 115,793 347,380 173,690 86,845 260,536 130,268 65,134 32,567 97,702 48,851 146,554 73,277 219,832 109,916 54,958 27,479 82,438 41,219 123,658 61,829 185,488 92,744 46,372 23,186 11,593 34,780 17,390 8,695 26,086 13,043 39,130 19,565 58,696 29,348 14,674 7,337 22,012 11,006 5,503 16,510 8,255 24,766 12,383 37,150 18,575 55,726 27,863 83,590 41,795 125,386 62,693 188,080

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