2 × 7 × 73 × 509

Prime Factor Structure

Factorization String 2 × 7 × 73 × 509

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 905,760

Proper Divisor Sum 385,562

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #520193 ← → #520213

1 2 7 14 73 146 509 511 1,018 1,022 3,563 7,126 37,157 74,314 260,099 520,198

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

520,198 260,099 780,298 390,149 1,170,448 585,224 292,612 146,306 73,153 219,460 109,730 54,865 164,596 82,298 41,149 123,448 61,724 30,862 15,431 46,294 23,147 69,442 34,721 104,164 52,082 26,041 78,124 39,062 19,531 58,594 29,297 87,892 43,946 21,973 65,920 32,960 16,480 8,240 4,120 2,060 1,030 515 1,546 773 2,320 1,160 580 290 145 436 218 109 328 164 82 41 124 62 31 94

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