2 × 19 × 173 × 271

Prime Factor Structure

Factorization String 2 × 19 × 173 × 271

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,839,680

Proper Divisor Sum 1,058,126

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #1781551 ← → #1781561

1 2 19 38 173 271 346 542 3,287 5,149 6,574 10,298 46,883 93,766 890,777 1,781,554

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

1,781,554 890,777 2,672,332 1,336,166 668,083 2,004,250 1,002,125 3,006,376 1,503,188 751,594 375,797 1,127,392 563,696 281,848 140,924 70,462 35,231 105,694 52,847 158,542 79,271 237,814 118,907 356,722 178,361 535,084 267,542 133,771 401,314 200,657 601,972 300,986 150,493 451,480 225,740 112,870 56,435 169,306 84,653 253,960 126,980 63,490 31,745 95,236 47,618 23,809 71,428 35,714 17,857 53,572 26,786 13,393 40,180 20,090 10,045 30,136 15,068 7,534 3,767 11,302

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