3 × 19 × 139 × 271

Prime Factor Structure

Factorization String 3 × 19 × 139 × 271

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,046,400

Proper Divisor Sum 899,267

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2147107 ← → #2147137

1 3 19 57 139 271 417 813 2,641 5,149 7,923 15,447 37,669 113,007 715,711 2,147,133

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

2,147,133 6,441,400 3,220,700 1,610,350 805,175 2,415,526 1,207,763 3,623,290 1,811,645 5,434,936 2,717,468 1,358,734 679,367 2,038,102 1,019,051 3,057,154 1,528,577 4,585,732 2,292,866 1,146,433 3,439,300 1,719,650 859,825 2,579,476 1,289,738 644,869 1,934,608 967,304 483,652 241,826 120,913 362,740 181,370 90,685 272,056 136,028 68,014 34,007 102,022 51,011 153,034 76,517 229,552 114,776 57,388 28,694 14,347 43,042 21,521 64,564 32,282 16,141 48,424 24,212 12,106 6,053 18,160 9,080 4,540 2,270

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