2 × 19 × 131 × 647

Prime Factor Structure

Factorization String 2 × 19 × 131 × 647

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 5,132,160

Proper Divisor Sum 1,911,394

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #3220727 ← → #3220771

1 2 19 38 131 262 647 1,294 2,489 4,978 12,293 24,586 84,757 169,514 1,610,383 3,220,766

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

3,220,766 1,610,383 4,831,150 2,415,575 7,246,726 3,623,363 10,870,090 5,435,045 16,305,136 8,152,568 4,076,284 2,038,142 1,019,071 3,057,214 1,528,607 4,585,822 2,292,911 6,878,734 3,439,367 10,318,102 5,159,051 15,477,154 7,738,577 23,215,732 11,607,866 5,803,933 17,411,800 8,705,900 4,352,950 2,176,475 6,529,426 3,264,713 9,794,140 4,897,070 2,448,535 7,345,606 3,672,803 11,018,410 5,509,205 16,527,616 8,263,808 4,131,904 2,065,952 1,032,976 516,488 258,244 129,122 64,561 193,684 96,842 48,421 145,264 72,632 36,316 18,158 9,079 27,238 13,619 40,858 20,429

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