3 × 7 × 17 × 1619

Prime Factor Structure

Factorization String 3 × 7 × 17 × 1619

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 933,120

Proper Divisor Sum 355,137

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #577981 ← → #578021

1 3 7 17 21 51 119 357 1,619 4,857 11,333 27,523 33,999 82,569 192,661 577,983

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

577,983 1,733,950 866,975 2,600,926 1,300,463 3,901,390 1,950,695 5,852,086 2,926,043 8,778,130 4,389,065 13,167,196 6,583,598 3,291,799 9,875,398 4,937,699 14,813,098 7,406,549 22,219,648 11,109,824 5,554,912 2,777,456 1,388,728 694,364 347,182 173,591 520,774 260,387 781,162 390,581 1,171,744 585,872 292,936 146,468 73,234 36,617 109,852 54,926 27,463 82,390 41,195 123,586 61,793 185,380 92,690 46,345 139,036 69,518 34,759 104,278 52,139 156,418 78,209 234,628 117,314 58,657 175,972 87,986 43,993 131,980

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