2 × 5 × 19 × 421

Prime Factor Structure

Factorization String 2 × 5 × 19 × 421

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 151,920

Proper Divisor Sum 71,930

Digit Sum / Digital Root 34 (Root: 7)

Adjacent Primes #79987 ← → #79997

1 2 5 10 19 38 95 190 421 842 2,105 4,210 7,999 15,998 39,995 79,990

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

79,990 39,995 119,986 59,993 179,980 89,990 44,995 134,986 67,493 202,480 101,240 50,620 25,310 12,655 37,966 18,983 56,950 28,475 85,426 42,713 128,140 64,070 32,035 96,106 48,053 144,160 72,080 36,040 18,020 9,010 4,505 13,516 6,758 3,379 10,138 5,069 15,208 7,604 3,802 1,901 5,704 2,852 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340 170 85

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