3 × 37 × 43 × 109

Prime Factor Structure

Factorization String 3 × 37 × 43 × 109

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 735,680

Proper Divisor Sum 215,423

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #520241 ← → #520279

1 3 37 43 109 111 129 327 1,591 4,033 4,687 4,773 12,099 14,061 173,419 520,257

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

520,257 1,560,772 780,386 390,193 1,170,580 585,290 292,645 877,936 438,968 219,484 109,742 54,871 164,614 82,307 246,922 123,461 370,384 185,192 92,596 46,298 23,149 69,448 34,724 17,362 8,681 26,044 13,022 6,511 19,534 9,767 29,302 14,651 43,954 21,977 65,932 32,966 16,483 49,450 24,725 74,176 37,088 18,544 9,272 4,636 2,318 1,159 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551

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