2² × 3³ × 5 × 13 × 2971

Prime Factor Structure

Factorization String 2^2 × 3^3 × 5 × 13 × 2971

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 96

Divisor Sum (σ) 69,901,440

Proper Divisor Sum 49,045,020

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #20856389 ← → #20856439

1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 180 195 234 260 270 351 390 468 540 585 702 780 1,170 1,404 1,755 2,340 2,971 3,510 5,942 7,020 8,913 11,884 14,855 17,826 26,739 29,710 35,652 38,623 44,565 53,478

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

20,856,420 10,428,210 5,214,105 15,642,316 7,821,158 3,910,579 11,731,738 5,865,869 17,597,608 8,798,804 4,399,402 2,199,701 6,599,104 3,299,552 1,649,776 824,888 412,444 206,222 103,111 309,334 154,667 464,002 232,001 696,004 348,002 174,001 522,004 261,002 130,501 391,504 195,752 97,876 48,938 24,469 73,408 36,704 18,352 9,176 4,588 2,294 1,147 3,442 1,721 5,164 2,582 1,291 3,874 1,937 5,812 2,906 1,453 4,360 2,180 1,090 545 1,636 818 409 1,228 614

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