2² × 5² × 6661

Prime Factor Structure

Factorization String 2^2 × 5^2 × 6661

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 18

Divisor Sum (σ) 1,445,654

Proper Divisor Sum 779,554

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #666091 ← → #666109

1 2 4 5 10 20 25 50 100 6,661 13,322 26,644 33,305 66,610 133,220 166,525 333,050 666,100

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

666,100 333,050 166,525 499,576 249,788 124,894 62,447 187,342 93,671 281,014 140,507 421,522 210,761 632,284 316,142 158,071 474,214 237,107 711,322 355,661 1,066,984 533,492 266,746 133,373 400,120 200,060 100,030 50,015 150,046 75,023 225,070 112,535 337,606 168,803 506,410 253,205 759,616 379,808 189,904 94,952 47,476 23,738 11,869 35,608 17,804 8,902 4,451 13,354 6,677 20,032 10,016 5,008 2,504 1,252 626 313 940 470 235 706

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