3 × 521 × 1289

Prime Factor Structure

Factorization String 3 × 521 × 1289

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,693,520

Proper Divisor Sum 678,813

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2014697 ← → #2014709

1 3 521 1,289 1,563 3,867 671,569 2,014,707

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

2,014,707 6,044,122 3,022,061 9,066,184 4,533,092 2,266,546 1,133,273 3,399,820 1,699,910 849,955 2,549,866 1,274,933 3,824,800 1,912,400 956,200 478,100 239,050 119,525 358,576 179,288 89,644 44,822 22,411 67,234 33,617 100,852 50,426 25,213 75,640 37,820 18,910 9,455 28,366 14,183 42,550 21,275 63,826 31,913 95,740 47,870 23,935 71,806 35,903 107,710 53,855 161,566 80,783 242,350 121,175 363,526 181,763 545,290 272,645 817,936 408,968 204,484 102,242 51,121 153,364 76,682

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