2² × 3 × 5 × 13 × 661

Prime Factor Structure

Factorization String 2^2 × 3 × 5 × 13 × 661

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,557,024

Proper Divisor Sum 1,041,444

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #515579 ← → #515587

1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 661 780 1,322 1,983 2,644 3,305 3,966 6,610 7,932 8,593 9,915 13,220 17,186 19,830 25,779 34,372 39,660 42,965 51,558 85,930 103,116 128,895 171,860 257,790 515,580

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

515,580 257,790 128,895 386,686 193,343 580,030 290,015 870,046 435,023 1,305,070 652,535 1,957,606 978,803 2,936,410 1,468,205 4,404,616 2,202,308 1,101,154 550,577 1,651,732 825,866 412,933 1,238,800 619,400 309,700 154,850 77,425 232,276 116,138 58,069 174,208 87,104 43,552 21,776 10,888 5,444 2,722 1,361 4,084 2,042 1,021 3,064 1,532 766 383 1,150 575 1,726 863 2,590 1,295 3,886 1,943 5,830 2,915 8,746 4,373 13,120 6,560 3,280

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