31 × 43 × 61

Prime Factor Structure

Factorization String 31 × 43 × 61

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 87,296

Proper Divisor Sum 5,983

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #81307 ← → #81331

1 31 43 61 1,333 1,891 2,623 81,313

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

81,313 243,940 121,970 60,985 182,956 91,478 45,739 137,218 68,609 205,828 102,914 51,457 154,372 77,186 38,593 115,780 57,890 28,945 86,836 43,418 21,709 65,128 32,564 16,282 8,141 24,424 12,212 6,106 3,053 9,160 4,580 2,290 1,145 3,436 1,718 859 2,578 1,289 3,868 1,934 967 2,902 1,451 4,354 2,177 6,532 3,266 1,633 4,900 2,450 1,225 3,676 1,838 919 2,758 1,379 4,138 2,069 6,208 3,104

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