2 × 7² × 107 × 1987

Prime Factor Structure

Factorization String 2 × 7^2 × 107 × 1987

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 36,714,384

Proper Divisor Sum 15,878,702

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #20835679 ← → #20835707

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

20,835,682 10,417,841 31,253,524 15,626,762 7,813,381 23,440,144 11,720,072 5,860,036 2,930,018 1,465,009 4,395,028 2,197,514 1,098,757 3,296,272 1,648,136 824,068 412,034 206,017 618,052 309,026 154,513 463,540 231,770 115,885 347,656 173,828 86,914 43,457 130,372 65,186 32,593 97,780 48,890 24,445 73,336 36,668 18,334 9,167 27,502 13,751 41,254 20,627 61,882 30,941 92,824 46,412 23,206 11,603 34,810 17,405 52,216 26,108 13,054 6,527 19,582 9,791 29,374 14,687 44,062 22,031

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