2² × 5 × 101 × 139

Prime Factor Structure

Factorization String 2^2 × 5 × 101 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 599,760

Proper Divisor Sum 318,980

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #280771 ← → #280811

1 2 4 5 10 20 101 139 202 278 404 505 556 695 1,010 1,390 2,020 2,780 14,039 28,078 56,156 70,195 140,390 280,780

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

280,780 140,390 70,195 210,586 105,293 315,880 157,940 78,970 39,485 118,456 59,228 29,614 14,807 44,422 22,211 66,634 33,317 99,952 49,976 24,988 12,494 6,247 18,742 9,371 28,114 14,057 42,172 21,086 10,543 31,630 15,815 47,446 23,723 71,170 35,585 106,756 53,378 26,689 80,068 40,034 20,017 60,052 30,026 15,013 45,040 22,520 11,260 5,630 2,815 8,446 4,223 12,670 6,335 19,006 9,503 28,510 14,255 42,766 21,383 64,150

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