17 × 1258711

Prime Factor Structure

Factorization String 17 × 1258711

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 22,656,816

Proper Divisor Sum 1,258,729

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #21398081 ← → #21398101

1 17 1,258,711 21,398,087

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

21,398,087 64,194,262 32,097,131 96,291,394 48,145,697 144,437,092 72,218,546 36,109,273 108,327,820 54,163,910 27,081,955 81,245,866 40,622,933 121,868,800 60,934,400 30,467,200 15,233,600 7,616,800 3,808,400 1,904,200 952,100 476,050 238,025 714,076 357,038 178,519 535,558 267,779 803,338 401,669 1,205,008 602,504 301,252 150,626 75,313 225,940 112,970 56,485 169,456 84,728 42,364 21,182 10,591 31,774 15,887 47,662 23,831 71,494 35,747 107,242 53,621 160,864 80,432 40,216 20,108 10,054 5,027 15,082 7,541 22,624

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