2² × 180311

Prime Factor Structure

Factorization String 2^2 × 180311

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 1,262,184

Proper Divisor Sum 540,940

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #721243 ← → #721261

1 2 4 180,311 360,622 721,244

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

721,244 360,622 180,311 540,934 270,467 811,402 405,701 1,217,104 608,552 304,276 152,138 76,069 228,208 114,104 57,052 28,526 14,263 42,790 21,395 64,186 32,093 96,280 48,140 24,070 12,035 36,106 18,053 54,160 27,080 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.