13 × 19 × 37 × 79

Prime Factor Structure

Factorization String 13 × 19 × 37 × 79

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 851,200

Proper Divisor Sum 129,219

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #721979 ← → #721991

1 13 19 37 79 247 481 703 1,027 1,501 2,923 9,139 19,513 37,999 55,537 721,981

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

721,981 2,165,944 1,082,972 541,486 270,743 812,230 406,115 1,218,346 609,173 1,827,520 913,760 456,880 228,440 114,220 57,110 28,555 85,666 42,833 128,500 64,250 32,125 96,376 48,188 24,094 12,047 36,142 18,071 54,214 27,107 81,322 40,661 121,984 60,992 30,496 15,248 7,624 3,812 1,906 953 2,860 1,430 715 2,146 1,073 3,220 1,610 805 2,416 1,208 604 302 151 454 227 682 341 1,024 512 256 128

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