7 × 151 × 19477

Prime Factor Structure

Factorization String 7 × 151 × 19477

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 23,685,248

Proper Divisor Sum 3,098,059

Digit Sum / Digital Root 40 (Root: 4)

Adjacent Primes #20587159 ← → #20587201

1 7 151 1,057 19,477 136,339 2,941,027 20,587,189

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

20,587,189 61,761,568 30,880,784 15,440,392 7,720,196 3,860,098 1,930,049 5,790,148 2,895,074 1,447,537 4,342,612 2,171,306 1,085,653 3,256,960 1,628,480 814,240 407,120 203,560 101,780 50,890 25,445 76,336 38,168 19,084 9,542 4,771 14,314 7,157 21,472 10,736 5,368 2,684 1,342 671 2,014 1,007 3,022 1,511 4,534 2,267 6,802 3,401 10,204 5,102 2,551 7,654 3,827 11,482 5,741 17,224 8,612 4,306 2,153 6,460 3,230 1,615 4,846 2,423 7,270 3,635

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