2³ × 5 × 13 × 809

Prime Factor Structure

Factorization String 2^3 × 5 × 13 × 809

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 32

Divisor Sum (σ) 1,020,600

Proper Divisor Sum 599,920

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #420677 ← → #420683

1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 809 1,618 3,236 4,045 6,472 8,090 10,517 16,180 21,034 32,360 42,068 52,585 84,136 105,170 210,340 420,680

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

420,680 210,340 105,170 52,585 157,756 78,878 39,439 118,318 59,159 177,478 88,739 266,218 133,109 399,328 199,664 99,832 49,916 24,958 12,479 37,438 18,719 56,158 28,079 84,238 42,119 126,358 63,179 189,538 94,769 284,308 142,154 71,077 213,232 106,616 53,308 26,654 13,327 39,982 19,991 59,974 29,987 89,962 44,981 134,944 67,472 33,736 16,868 8,434 4,217 12,652 6,326 3,163 9,490 4,745 14,236 7,118 3,559 10,678 5,339 16,018

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