2² × 17 × 19 × 16763

Prime Factor Structure

Factorization String 2^2 × 17 × 19 × 16763

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 42,245,280

Proper Divisor Sum 20,587,484

Digit Sum / Digital Root 43 (Root: 7)

Adjacent Primes #21657791 ← → #21657803

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

21,657,796 10,828,898 5,414,449 16,243,348 8,121,674 4,060,837 12,182,512 6,091,256 3,045,628 1,522,814 761,407 2,284,222 1,142,111 3,426,334 1,713,167 5,139,502 2,569,751 7,709,254 3,854,627 11,563,882 5,781,941 17,345,824 8,672,912 4,336,456 2,168,228 1,084,114 542,057 1,626,172 813,086 406,543 1,219,630 609,815 1,829,446 914,723 2,744,170 1,372,085 4,116,256 2,058,128 1,029,064 514,532 257,266 128,633 385,900 192,950 96,475 289,426 144,713 434,140 217,070 108,535 325,606 162,803 488,410 244,205 732,616 366,308 183,154 91,577 274,732 137,366

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