7 × 3137

Prime Factor Structure

Factorization String 7 × 3137

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 25,104

Proper Divisor Sum 3,145

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #21943 ← → #21961

1 7 3,137 21,959

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

21,959 65,878 32,939 98,818 49,409 148,228 74,114 37,057 111,172 55,586 27,793 83,380 41,690 20,845 62,536 31,268 15,634 7,817 23,452 11,726 5,863 17,590 8,795 26,386 13,193 39,580 19,790 9,895 29,686 14,843 44,530 22,265 66,796 33,398 16,699 50,098 25,049 75,148 37,574 18,787 56,362 28,181 84,544 42,272 21,136 10,568 5,284 2,642 1,321 3,964 1,982 991 2,974 1,487 4,462 2,231 6,694 3,347 10,042 5,021

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