2 × 3² × 5 × 13 × 547

Prime Factor Structure

Factorization String 2 × 3^2 × 5 × 13 × 547

Distinct Prime Factors 5

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 48

Divisor Sum (σ) 1,795,248

Proper Divisor Sum 1,155,258

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #639983 ← → #639997

1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 547 585 1,094 1,170 1,641 2,735 3,282 4,923 5,470 7,111 8,205 9,846 14,222 16,410 21,333 24,615 35,555 42,666 49,230 63,999 71,110 106,665 127,998 213,330 319,995 639,990

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

639,990 319,995 959,986 479,993 1,439,980 719,990 359,995 1,079,986 539,993 1,619,980 809,990 404,995 1,214,986 607,493 1,822,480 911,240 455,620 227,810 113,905 341,716 170,858 85,429 256,288 128,144 64,072 32,036 16,018 8,009 24,028 12,014 6,007 18,022 9,011 27,034 13,517 40,552 20,276 10,138 5,069 15,208 7,604 3,802 1,901 5,704 2,852 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113

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