3 × 7 × 37 × 829

Prime Factor Structure

Factorization String 3 × 7 × 37 × 829

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,009,280

Proper Divisor Sum 365,147

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #644131 ← → #644141

1 3 7 21 37 111 259 777 829 2,487 5,803 17,409 30,673 92,019 214,711 644,133

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

644,133 1,932,400 966,200 483,100 241,550 120,775 362,326 181,163 543,490 271,745 815,236 407,618 203,809 611,428 305,714 152,857 458,572 229,286 114,643 343,930 171,965 515,896 257,948 128,974 64,487 193,462 96,731 290,194 145,097 435,292 217,646 108,823 326,470 163,235 489,706 244,853 734,560 367,280 183,640 91,820 45,910 22,955 68,866 34,433 103,300 51,650 25,825 77,476 38,738 19,369 58,108 29,054 14,527 43,582 21,791 65,374 32,687 98,062 49,031 147,094

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