7 × 19 × 37 × 61

Prime Factor Structure

Factorization String 7 × 19 × 37 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 376,960

Proper Divisor Sum 76,779

Digit Sum / Digital Root 13 (Root: 4)

Adjacent Primes #300163 ← → #300187

1 7 19 37 61 133 259 427 703 1,159 2,257 4,921 8,113 15,799 42,883 300,181

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

300,181 900,544 450,272 225,136 112,568 56,284 28,142 14,071 42,214 21,107 63,322 31,661 94,984 47,492 23,746 11,873 35,620 17,810 8,905 26,716 13,358 6,679 20,038 10,019 30,058 15,029 45,088 22,544 11,272 5,636 2,818 1,409 4,228 2,114 1,057 3,172 1,586 793 2,380 1,190 595 1,786 893 2,680 1,340 670 335 1,006 503 1,510 755 2,266 1,133 3,400 1,700 850 425 1,276 638 319

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