2 × 5 × 7 × 19963

Prime Factor Structure

Factorization String 2 × 5 × 7 × 19963

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,874,816

Proper Divisor Sum 1,477,406

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #1397359 ← → #1397437

1 2 5 7 10 14 35 70 19,963 39,926 99,815 139,741 199,630 279,482 698,705 1,397,410

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

1,397,410 698,705 2,096,116 1,048,058 524,029 1,572,088 786,044 393,022 196,511 589,534 294,767 884,302 442,151 1,326,454 663,227 1,989,682 994,841 2,984,524 1,492,262 746,131 2,238,394 1,119,197 3,357,592 1,678,796 839,398 419,699 1,259,098 629,549 1,888,648 944,324 472,162 236,081 708,244 354,122 177,061 531,184 265,592 132,796 66,398 33,199 99,598 49,799 149,398 74,699 224,098 112,049 336,148 168,074 84,037 252,112 126,056 63,028 31,514 15,757 47,272 23,636 11,818 5,909 17,728 8,864

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