5 × 163 × 821

Prime Factor Structure

Factorization String 5 × 163 × 821

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 808,848

Proper Divisor Sum 139,733

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #669113 ← → #669121

1 5 163 815 821 4,105 133,823 669,115

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

669,115 2,007,346 1,003,673 3,011,020 1,505,510 752,755 2,258,266 1,129,133 3,387,400 1,693,700 846,850 423,425 1,270,276 635,138 317,569 952,708 476,354 238,177 714,532 357,266 178,633 535,900 267,950 133,975 401,926 200,963 602,890 301,445 904,336 452,168 226,084 113,042 56,521 169,564 84,782 42,391 127,174 63,587 190,762 95,381 286,144 143,072 71,536 35,768 17,884 8,942 4,471 13,414 6,707 20,122 10,061 30,184 15,092 7,546 3,773 11,320 5,660 2,830 1,415 4,246

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