3² × 7² × 4127

Prime Factor Structure

Factorization String 3^2 × 7^2 × 4127

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 3,058,848

Proper Divisor Sum 1,238,841

Digit Sum / Digital Root 18 (Root: 9)

Adjacent Primes #1819999 ← → #1820009

1 3 7 9 21 49 63 147 441 4,127 12,381 28,889 37,143 86,667 202,223 260,001 606,669 1,820,007

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

1,820,007 5,460,022 2,730,011 8,190,034 4,095,017 12,285,052 6,142,526 3,071,263 9,213,790 4,606,895 13,820,686 6,910,343 20,731,030 10,365,515 31,096,546 15,548,273 46,644,820 23,322,410 11,661,205 34,983,616 17,491,808 8,745,904 4,372,952 2,186,476 1,093,238 546,619 1,639,858 819,929 2,459,788 1,229,894 614,947 1,844,842 922,421 2,767,264 1,383,632 691,816 345,908 172,954 86,477 259,432 129,716 64,858 32,429 97,288 48,644 24,322 12,161 36,484 18,242 9,121 27,364 13,682 6,841 20,524 10,262 5,131 15,394 7,697 23,092 11,546

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