3² × 19² × 2213

Prime Factor Structure

Factorization String 3^2 × 19^2 × 2213

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 10,965,942

Proper Divisor Sum 3,775,905

Digit Sum / Digital Root 27 (Root: 9)

Adjacent Primes #7190023 ← → #7190039

1 3 9 19 57 171 361 1,083 2,213 3,249 6,639 19,917 42,047 126,141 378,423 798,893 2,396,679 7,190,037

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

7,190,037 21,570,112 10,785,056 5,392,528 2,696,264 1,348,132 674,066 337,033 1,011,100 505,550 252,775 758,326 379,163 1,137,490 568,745 1,706,236 853,118 426,559 1,279,678 639,839 1,919,518 959,759 2,879,278 1,439,639 4,318,918 2,159,459 6,478,378 3,239,189 9,717,568 4,858,784 2,429,392 1,214,696 607,348 303,674 151,837 455,512 227,756 113,878 56,939 170,818 85,409 256,228 128,114 64,057 192,172 96,086 48,043 144,130 72,065 216,196 108,098 54,049 162,148 81,074 40,537 121,612 60,806 30,403 91,210 45,605

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