2 × 3 × 5 × 11 × 37 × 53

Prime Factor Structure

Factorization String 2 × 3 × 5 × 11 × 37 × 53

Distinct Prime Factors 6

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 64

Divisor Sum (σ) 1,772,928

Proper Divisor Sum 1,125,798

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #647117 ← → #647131

1 2 3 5 6 10 11 15 22 30 33 37 53 55 66 74 106 110 111 159 165 185 222 265 318 330 370 407 530 555 583 795 814 1,110 1,166 1,221 1,590 1,749 1,961 2,035 2,442 2,915 3,498 3,922 4,070 5,830 5,883 6,105 8,745 9,805 11,766 12,210 17,490 19,610 21,571 29,415 43,142 58,830 64,713 107,855

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

647,130 323,565 970,696 485,348 242,674 121,337 364,012 182,006 91,003 273,010 136,505 409,516 204,758 102,379 307,138 153,569 460,708 230,354 115,177 345,532 172,766 86,383 259,150 129,575 388,726 194,363 583,090 291,545 874,636 437,318 218,659 655,978 327,989 983,968 491,984 245,992 122,996 61,498 30,749 92,248 46,124 23,062 11,531 34,594 17,297 51,892 25,946 12,973 38,920 19,460 9,730 4,865 14,596 7,298 3,649 10,948 5,474 2,737 8,212 4,106

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