3 × 7 × 71 × 281

Prime Factor Structure

Factorization String 3 × 7 × 71 × 281

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 649,728

Proper Divisor Sum 230,757

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #418961 ← → #418981

1 3 7 21 71 213 281 497 843 1,491 1,967 5,901 19,951 59,853 139,657 418,971

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

418,971 1,256,914 628,457 1,885,372 942,686 471,343 1,414,030 707,015 2,121,046 1,060,523 3,181,570 1,590,785 4,772,356 2,386,178 1,193,089 3,579,268 1,789,634 894,817 2,684,452 1,342,226 671,113 2,013,340 1,006,670 503,335 1,510,006 755,003 2,265,010 1,132,505 3,397,516 1,698,758 849,379 2,548,138 1,274,069 3,822,208 1,911,104 955,552 477,776 238,888 119,444 59,722 29,861 89,584 44,792 22,396 11,198 5,599 16,798 8,399 25,198 12,599 37,798 18,899 56,698 28,349 85,048 42,524 21,262 10,631 31,894 15,947

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