3 × 19 × 61 × 157

Prime Factor Structure

Factorization String 3 × 19 × 61 × 157

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 783,680

Proper Divisor Sum 237,791

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #545873 ← → #545893

1 3 19 57 61 157 183 471 1,159 2,983 3,477 8,949 9,577 28,731 181,963 545,889

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

545,889 1,637,668 818,834 409,417 1,228,252 614,126 307,063 921,190 460,595 1,381,786 690,893 2,072,680 1,036,340 518,170 259,085 777,256 388,628 194,314 97,157 291,472 145,736 72,868 36,434 18,217 54,652 27,326 13,663 40,990 20,495 61,486 30,743 92,230 46,115 138,346 69,173 207,520 103,760 51,880 25,940 12,970 6,485 19,456 9,728 4,864 2,432 1,216 608 304 152 76 38 19 58 29 88 44 22 11 34 17

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