2 × 21001559

Prime Factor Structure

Factorization String 2 × 21001559

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 63,004,680

Proper Divisor Sum 21,001,562

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #42003097 ← → #42003119

1 2 21,001,559 42,003,118

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

42,003,118 21,001,559 63,004,678 31,502,339 94,507,018 47,253,509 141,760,528 70,880,264 35,440,132 17,720,066 8,860,033 26,580,100 13,290,050 6,645,025 19,935,076 9,967,538 4,983,769 14,951,308 7,475,654 3,737,827 11,213,482 5,606,741 16,820,224 8,410,112 4,205,056 2,102,528 1,051,264 525,632 262,816 131,408 65,704 32,852 16,426 8,213 24,640 12,320 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35

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