13 × 21683

Prime Factor Structure

Factorization String 13 × 21683

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 303,576

Proper Divisor Sum 21,697

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #281867 ← → #281887

1 13 21,683 281,879

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

281,879 845,638 422,819 1,268,458 634,229 1,902,688 951,344 475,672 237,836 118,918 59,459 178,378 89,189 267,568 133,784 66,892 33,446 16,723 50,170 25,085 75,256 37,628 18,814 9,407 28,222 14,111 42,334 21,167 63,502 31,751 95,254 47,627 142,882 71,441 214,324 107,162 53,581 160,744 80,372 40,186 20,093 60,280 30,140 15,070 7,535 22,606 11,303 33,910 16,955 50,866 25,433 76,300 38,150 19,075 57,226 28,613 85,840 42,920 21,460 10,730

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