3 × 7 × 197 × 15971

Prime Factor Structure

Factorization String 3 × 7 × 197 × 15971

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 101,198,592

Proper Divisor Sum 35,126,565

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #66072023 ← → #66072029

1 3 7 21 197 591 1,379 4,137 15,971 47,913 111,797 335,391 3,146,287 9,438,861 22,024,009 66,072,027

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

66,072,027 198,216,082 99,108,041 297,324,124 148,662,062 74,331,031 222,993,094 111,496,547 334,489,642 167,244,821 501,734,464 250,867,232 125,433,616 62,716,808 31,358,404 15,679,202 7,839,601 23,518,804 11,759,402 5,879,701 17,639,104 8,819,552 4,409,776 2,204,888 1,102,444 551,222 275,611 826,834 413,417 1,240,252 620,126 310,063 930,190 465,095 1,395,286 697,643 2,092,930 1,046,465 3,139,396 1,569,698 784,849 2,354,548 1,177,274 588,637 1,765,912 882,956 441,478 220,739 662,218 331,109 993,328 496,664 248,332 124,166 62,083 186,250 93,125 279,376 139,688 69,844

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