3 × 5 × 229 × 821

Prime Factor Structure

Factorization String 3 × 5 × 229 × 821

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 4,537,440

Proper Divisor Sum 1,717,305

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2820131 ← → #2820179

1 3 5 15 229 687 821 1,145 2,463 3,435 4,105 12,315 188,009 564,027 940,045 2,820,135

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

2,820,135 8,460,406 4,230,203 12,690,610 6,345,305 19,035,916 9,517,958 4,758,979 14,276,938 7,138,469 21,415,408 10,707,704 5,353,852 2,676,926 1,338,463 4,015,390 2,007,695 6,023,086 3,011,543 9,034,630 4,517,315 13,551,946 6,775,973 20,327,920 10,163,960 5,081,980 2,540,990 1,270,495 3,811,486 1,905,743 5,717,230 2,858,615 8,575,846 4,287,923 12,863,770 6,431,885 19,295,656 9,647,828 4,823,914 2,411,957 7,235,872 3,617,936 1,808,968 904,484 452,242 226,121 678,364 339,182 169,591 508,774 254,387 763,162 381,581 1,144,744 572,372 286,186 143,093 429,280 214,640 107,320

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