2 × 19 × 53 × 10459

Prime Factor Structure

Factorization String 2 × 19 × 53 × 10459

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 33,890,400

Proper Divisor Sum 12,825,974

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #21064363 ← → #21064471

1 2 19 38 53 106 1,007 2,014 10,459 20,918 198,721 397,442 554,327 1,108,654 10,532,213 21,064,426

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

21,064,426 10,532,213 31,596,640 15,798,320 7,899,160 3,949,580 1,974,790 987,395 2,962,186 1,481,093 4,443,280 2,221,640 1,110,820 555,410 277,705 833,116 416,558 208,279 624,838 312,419 937,258 468,629 1,405,888 702,944 351,472 175,736 87,868 43,934 21,967 65,902 32,951 98,854 49,427 148,282 74,141 222,424 111,212 55,606 27,803 83,410 41,705 125,116 62,558 31,279 93,838 46,919 140,758 70,379 211,138 105,569 316,708 158,354 79,177 237,532 118,766 59,383 178,150 89,075 267,226 133,613

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