3 × 7 × 131 × 311

Prime Factor Structure

Factorization String 3 × 7 × 131 × 311

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,317,888

Proper Divisor Sum 462,327

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #855527 ← → #855581

1 3 7 21 131 311 393 917 933 2,177 2,751 6,531 40,741 122,223 285,187 855,561

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

855,561 2,566,684 1,283,342 641,671 1,925,014 962,507 2,887,522 1,443,761 4,331,284 2,165,642 1,082,821 3,248,464 1,624,232 812,116 406,058 203,029 609,088 304,544 152,272 76,136 38,068 19,034 9,517 28,552 14,276 7,138 3,569 10,708 5,354 2,677 8,032 4,016 2,008 1,004 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429 7,288 3,644 1,822 911

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