7 × 13 × 19 × 4003

Prime Factor Structure

Factorization String 7 × 13 × 19 × 4003

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 8,968,960

Proper Divisor Sum 2,047,773

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #6921181 ← → #6921197

1 7 13 19 91 133 247 1,729 4,003 28,021 52,039 76,057 364,273 532,399 988,741 6,921,187

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

6,921,187 20,763,562 10,381,781 31,145,344 15,572,672 7,786,336 3,893,168 1,946,584 973,292 486,646 243,323 729,970 364,985 1,094,956 547,478 273,739 821,218 410,609 1,231,828 615,914 307,957 923,872 461,936 230,968 115,484 57,742 28,871 86,614 43,307 129,922 64,961 194,884 97,442 48,721 146,164 73,082 36,541 109,624 54,812 27,406 13,703 41,110 20,555 61,666 30,833 92,500 46,250 23,125 69,376 34,688 17,344 8,672 4,336 2,168 1,084 542 271 814 407 1,222

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