2² × 5 × 37 × 661

Prime Factor Structure

Factorization String 2^2 × 5 × 37 × 661

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 1,056,552

Proper Divisor Sum 567,412

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #489133 ← → #489157

1 2 4 5 10 20 37 74 148 185 370 661 740 1,322 2,644 3,305 6,610 13,220 24,457 48,914 97,828 122,285 244,570 489,140

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

489,140 244,570 122,285 366,856 183,428 91,714 45,857 137,572 68,786 34,393 103,180 51,590 25,795 77,386 38,693 116,080 58,040 29,020 14,510 7,255 21,766 10,883 32,650 16,325 48,976 24,488 12,244 6,122 3,061 9,184 4,592 2,296 1,148 574 287 862 431 1,294 647 1,942 971 2,914 1,457 4,372 2,186 1,093 3,280 1,640 820 410 205 616 308 154 77 232 116 58 29 88

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