3 × 13 × 19 × 97

Prime Factor Structure

Factorization String 3 × 13 × 19 × 97

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 109,760

Proper Divisor Sum 37,883

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #71867 ← → #71879

1 3 13 19 39 57 97 247 291 741 1,261 1,843 3,783 5,529 23,959 71,877

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

71,877 215,632 107,816 53,908 26,954 13,477 40,432 20,216 10,108 5,054 2,527 7,582 3,791 11,374 5,687 17,062 8,531 25,594 12,797 38,392 19,196 9,598 4,799 14,398 7,199 21,598 10,799 32,398 16,199 48,598 24,299 72,898 36,449 109,348 54,674 27,337 82,012 41,006 20,503 61,510 30,755 92,266 46,133 138,400 69,200 34,600 17,300 8,650 4,325 12,976 6,488 3,244 1,622 811 2,434 1,217 3,652 1,826 913 2,740

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