2² × 563 × 9601

Prime Factor Structure

Factorization String 2^2 × 563 × 9601

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 37,908,696

Proper Divisor Sum 16,287,244

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #21621437 ← → #21621463

1 2 4 563 1,126 2,252 9,601 19,202 38,404 5,405,363 10,810,726 21,621,452

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

21,621,452 10,810,726 5,405,363 16,216,090 8,108,045 24,324,136 12,162,068 6,081,034 3,040,517 9,121,552 4,560,776 2,280,388 1,140,194 570,097 1,710,292 855,146 427,573 1,282,720 641,360 320,680 160,340 80,170 40,085 120,256 60,128 30,064 15,032 7,516 3,758 1,879 5,638 2,819 8,458 4,229 12,688 6,344 3,172 1,586 793 2,380 1,190 595 1,786 893 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638

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