2⁴ × 3 × 11 × 1213

Prime Factor Structure

Factorization String 2^4 × 3 × 11 × 1213

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 40

Divisor Sum (σ) 1,806,432

Proper Divisor Sum 1,165,968

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #640463 ← → #640477

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

640,464 320,232 160,116 80,058 40,029 120,088 60,044 30,022 15,011 45,034 22,517 67,552 33,776 16,888 8,444 4,222 2,111 6,334 3,167 9,502 4,751 14,254 7,127 21,382 10,691 32,074 16,037 48,112 24,056 12,028 6,014 3,007 9,022 4,511 13,534 6,767 20,302 10,151 30,454 15,227 45,682 22,841 68,524 34,262 17,131 51,394 25,697 77,092 38,546 19,273 57,820 28,910 14,455 43,366 21,683 65,050 32,525 97,576 48,788 24,394

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