2² × 7² × 20347

Prime Factor Structure

Factorization String 2^2 × 7^2 × 20347

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 8,118,852

Proper Divisor Sum 4,130,840

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #3988007 ← → #3988021

1 2 4 7 14 28 49 98 196 20,347 40,694 81,388 142,429 284,858 569,716 997,003 1,994,006 3,988,012

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

3,988,012 1,994,006 997,003 2,991,010 1,495,505 4,486,516 2,243,258 1,121,629 3,364,888 1,682,444 841,222 420,611 1,261,834 630,917 1,892,752 946,376 473,188 236,594 118,297 354,892 177,446 88,723 266,170 133,085 399,256 199,628 99,814 49,907 149,722 74,861 224,584 112,292 56,146 28,073 84,220 42,110 21,055 63,166 31,583 94,750 47,375 142,126 71,063 213,190 106,595 319,786 159,893 479,680 239,840 119,920 59,960 29,980 14,990 7,495 22,486 11,243 33,730 16,865 50,596 25,298

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