3 × 5 × 19 × 1721

Prime Factor Structure

Factorization String 3 × 5 × 19 × 1721

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 826,560

Proper Divisor Sum 336,075

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #490481 ← → #490493

1 3 5 15 19 57 95 285 1,721 5,163 8,605 25,815 32,699 98,097 163,495 490,485

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

490,485 1,471,456 735,728 367,864 183,932 91,966 45,983 137,950 68,975 206,926 103,463 310,390 155,195 465,586 232,793 698,380 349,190 174,595 523,786 261,893 785,680 392,840 196,420 98,210 49,105 147,316 73,658 36,829 110,488 55,244 27,622 13,811 41,434 20,717 62,152 31,076 15,538 7,769 23,308 11,654 5,827 17,482 8,741 26,224 13,112 6,556 3,278 1,639 4,918 2,459 7,378 3,689 11,068 5,534 2,767 8,302 4,151 12,454 6,227 18,682

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