2 × 3 × 23 × 4637

Prime Factor Structure

Factorization String 2 × 3 × 23 × 4637

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,335,744

Proper Divisor Sum 695,838

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #639857 ← → #639907

1 2 3 6 23 46 69 138 4,637 9,274 13,911 27,822 106,651 213,302 319,953 639,906

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

639,906 319,953 959,860 479,930 239,965 719,896 359,948 179,974 89,987 269,962 134,981 404,944 202,472 101,236 50,618 25,309 75,928 37,964 18,982 9,491 28,474 14,237 42,712 21,356 10,678 5,339 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.