3 × 7 × 19 × 5507

Prime Factor Structure

Factorization String 3 × 7 × 19 × 5507

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,525,120

Proper Divisor Sum 1,327,827

Digit Sum / Digital Root 33 (Root: 6)

Adjacent Primes #2197289 ← → #2197309

1 3 7 19 21 57 133 399 5,507 16,521 38,549 104,633 115,647 313,899 732,431 2,197,293

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

2,197,293 6,591,880 3,295,940 1,647,970 823,985 2,471,956 1,235,978 617,989 1,853,968 926,984 463,492 231,746 115,873 347,620 173,810 86,905 260,716 130,358 65,179 195,538 97,769 293,308 146,654 73,327 219,982 109,991 329,974 164,987 494,962 247,481 742,444 371,222 185,611 556,834 278,417 835,252 417,626 208,813 626,440 313,220 156,610 78,305 234,916 117,458 58,729 176,188 88,094 44,047 132,142 66,071 198,214 99,107 297,322 148,661 445,984 222,992 111,496 55,748 27,874 13,937

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