3 × 7 × 53 × 619

Prime Factor Structure

Factorization String 3 × 7 × 53 × 619

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,071,360

Proper Divisor Sum 382,413

Digit Sum / Digital Root 42 (Root: 6)

Adjacent Primes #688939 ← → #688951

1 3 7 21 53 159 371 619 1,113 1,857 4,333 12,999 32,807 98,421 229,649 688,947

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

688,947 2,066,842 1,033,421 3,100,264 1,550,132 775,066 387,533 1,162,600 581,300 290,650 145,325 435,976 217,988 108,994 54,497 163,492 81,746 40,873 122,620 61,310 30,655 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

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