5 × 7 × 19 × 61

Prime Factor Structure

Factorization String 5 × 7 × 19 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 59,520

Proper Divisor Sum 18,955

Digit Sum / Digital Root 20 (Root: 2)

Adjacent Primes #40559 ← → #40577

1 5 7 19 35 61 95 133 305 427 665 1,159 2,135 5,795 8,113 40,565

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

40,565 121,696 60,848 30,424 15,212 7,606 3,803 11,410 5,705 17,116 8,558 4,279 12,838 6,419 19,258 9,629 28,888 14,444 7,222 3,611 10,834 5,417 16,252 8,126 4,063 12,190 6,095 18,286 9,143 27,430 13,715 41,146 20,573 61,720 30,860 15,430 7,715 23,146 11,573 34,720 17,360 8,680 4,340 2,170 1,085 3,256 1,628 814 407 1,222 611 1,834 917 2,752 1,376 688 344 172 86 43

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