31 × 677

Prime Factor Structure

Factorization String 31 × 677

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 21,696

Proper Divisor Sum 709

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #20983 ← → #21001

1 31 677 20,987

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

20,987 62,962 31,481 94,444 47,222 23,611 70,834 35,417 106,252 53,126 26,563 79,690 39,845 119,536 59,768 29,884 14,942 7,471 22,414 11,207 33,622 16,811 50,434 25,217 75,652 37,826 18,913 56,740 28,370 14,185 42,556 21,278 10,639 31,918 15,959 47,878 23,939 71,818 35,909 107,728 53,864 26,932 13,466 6,733 20,200 10,100 5,050 2,525 7,576 3,788 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800

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