3 × 5 × 257 × 557

Prime Factor Structure

Factorization String 3 × 5 × 257 × 557

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,455,136

Proper Divisor Sum 1,307,901

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #2147231 ← → #2147237

1 3 5 15 257 557 771 1,285 1,671 2,785 3,855 8,355 143,149 429,447 715,745 2,147,235

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

2,147,235 6,441,706 3,220,853 9,662,560 4,831,280 2,415,640 1,207,820 603,910 301,955 905,866 452,933 1,358,800 679,400 339,700 169,850 84,925 254,776 127,388 63,694 31,847 95,542 47,771 143,314 71,657 214,972 107,486 53,743 161,230 80,615 241,846 120,923 362,770 181,385 544,156 272,078 136,039 408,118 204,059 612,178 306,089 918,268 459,134 229,567 688,702 344,351 1,033,054 516,527 1,549,582 774,791 2,324,374 1,162,187 3,486,562 1,743,281 5,229,844 2,614,922 1,307,461 3,922,384 1,961,192 980,596 490,298

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