5 × 17 × 247553

Prime Factor Structure

Factorization String 5 × 17 × 247553

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 26,735,832

Proper Divisor Sum 5,693,827

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #21041989 ← → #21042013

1 5 17 85 247,553 1,237,765 4,208,401 21,042,005

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

21,042,005 63,126,016 31,563,008 15,781,504 7,890,752 3,945,376 1,972,688 986,344 493,172 246,586 123,293 369,880 184,940 92,470 46,235 138,706 69,353 208,060 104,030 52,015 156,046 78,023 234,070 117,035 351,106 175,553 526,660 263,330 131,665 394,996 197,498 98,749 296,248 148,124 74,062 37,031 111,094 55,547 166,642 83,321 249,964 124,982 62,491 187,474 93,737 281,212 140,606 70,303 210,910 105,455 316,366 158,183 474,550 237,275 711,826 355,913 1,067,740 533,870 266,935 800,806

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