2 × 3² × 31 × 521

Prime Factor Structure

Factorization String 2 × 3^2 × 31 × 521

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 651,456

Proper Divisor Sum 360,738

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #290711 ← → #290737

1 2 3 6 9 18 31 62 93 186 279 521 558 1,042 1,563 3,126 4,689 9,378 16,151 32,302 48,453 96,906 145,359 290,718

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

290,718 145,359 436,078 218,039 654,118 327,059 981,178 490,589 1,471,768 735,884 367,942 183,971 551,914 275,957 827,872 413,936 206,968 103,484 51,742 25,871 77,614 38,807 116,422 58,211 174,634 87,317 261,952 130,976 65,488 32,744 16,372 8,186 4,093 12,280 6,140 3,070 1,535 4,606 2,303 6,910 3,455 10,366 5,183 15,550 7,775 23,326 11,663 34,990 17,495 52,486 26,243 78,730 39,365 118,096 59,048 29,524 14,762 7,381 22,144 11,072

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