2 × 11 × 13 × 73

Prime Factor Structure

Factorization String 2 × 11 × 13 × 73

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 37,296

Proper Divisor Sum 16,418

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #20873 ← → #20879

1 2 11 13 22 26 73 143 146 286 803 949 1,606 1,898 10,439 20,878

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

20,878 10,439 31,318 15,659 46,978 23,489 70,468 35,234 17,617 52,852 26,426 13,213 39,640 19,820 9,910 4,955 14,866 7,433 22,300 11,150 5,575 16,726 8,363 25,090 12,545 37,636 18,818 9,409 28,228 14,114 7,057 21,172 10,586 5,293 15,880 7,940 3,970 1,985 5,956 2,978 1,489 4,468 2,234 1,117 3,352 1,676 838 419 1,258 629 1,888 944 472 236 118 59 178 89 268 134

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