2 × 5 × 21647

Prime Factor Structure

Factorization String 2 × 5 × 21647

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 389,664

Proper Divisor Sum 173,194

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #216451 ← → #216481

1 2 5 10 21,647 43,294 108,235 216,470

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

216,470 108,235 324,706 162,353 487,060 243,530 121,765 365,296 182,648 91,324 45,662 22,831 68,494 34,247 102,742 51,371 154,114 77,057 231,172 115,586 57,793 173,380 86,690 43,345 130,036 65,018 32,509 97,528 48,764 24,382 12,191 36,574 18,287 54,862 27,431 82,294 41,147 123,442 61,721 185,164 92,582 46,291 138,874 69,437 208,312 104,156 52,078 26,039 78,118 39,059 117,178 58,589 175,768 87,884 43,942 21,971 65,914 32,957 98,872 49,436

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