7 × 31 × 101

Prime Factor Structure

Factorization String 7 × 31 × 101

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 26,112

Proper Divisor Sum 4,195

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #21911 ← → #21929

1 7 31 101 217 707 3,131 21,917

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

21,917 65,752 32,876 16,438 8,219 24,658 12,329 36,988 18,494 9,247 27,742 13,871 41,614 20,807 62,422 31,211 93,634 46,817 140,452 70,226 35,113 105,340 52,670 26,335 79,006 39,503 118,510 59,255 177,766 88,883 266,650 133,325 399,976 199,988 99,994 49,997 149,992 74,996 37,498 18,749 56,248 28,124 14,062 7,031 21,094 10,547 31,642 15,821 47,464 23,732 11,866 5,933 17,800 8,900 4,450 2,225 6,676 3,338 1,669 5,008

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