721213

Prime Factor Structure

Factorization String 721213

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 721,214

Proper Divisor Sum 1

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #721207 ← → #721219

1 721,213

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

721,213 2,163,640 1,081,820 540,910 270,455 811,366 405,683 1,217,050 608,525 1,825,576 912,788 456,394 228,197 684,592 342,296 171,148 85,574 42,787 128,362 64,181 192,544 96,272 48,136 24,068 12,034 6,017 18,052 9,026 4,513 13,540 6,770 3,385 10,156 5,078 2,539 7,618 3,809 11,428 5,714 2,857 8,572 4,286 2,143 6,430 3,215 9,646 4,823 14,470 7,235 21,706 10,853 32,560 16,280 8,140 4,070 2,035 6,106 3,053 9,160 4,580

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