2² × 5263771

Prime Factor Structure

Factorization String 2^2 × 5263771

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 36,846,404

Proper Divisor Sum 15,791,320

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21055063 ← → #21055087

1 2 4 5,263,771 10,527,542 21,055,084

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

21,055,084 10,527,542 5,263,771 15,791,314 7,895,657 23,686,972 11,843,486 5,921,743 17,765,230 8,882,615 26,647,846 13,323,923 39,971,770 19,985,885 59,957,656 29,978,828 14,989,414 7,494,707 22,484,122 11,242,061 33,726,184 16,863,092 8,431,546 4,215,773 12,647,320 6,323,660 3,161,830 1,580,915 4,742,746 2,371,373 7,114,120 3,557,060 1,778,530 889,265 2,667,796 1,333,898 666,949 2,000,848 1,000,424 500,212 250,106 125,053 375,160 187,580 93,790 46,895 140,686 70,343 211,030 105,515 316,546 158,273 474,820 237,410 118,705 356,116 178,058 89,029 267,088 133,544

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