2 × 5 × 31 × 1979

Prime Factor Structure

Factorization String 2 × 5 × 31 × 1979

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,140,480

Proper Divisor Sum 526,990

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #613471 ← → #613493

1 2 5 10 31 62 155 310 1,979 3,958 9,895 19,790 61,349 122,698 306,745 613,490

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

613,490 306,745 920,236 460,118 230,059 690,178 345,089 1,035,268 517,634 258,817 776,452 388,226 194,113 582,340 291,170 145,585 436,756 218,378 109,189 327,568 163,784 81,892 40,946 20,473 61,420 30,710 15,355 46,066 23,033 69,100 34,550 17,275 51,826 25,913 77,740 38,870 19,435 58,306 29,153 87,460 43,730 21,865 65,596 32,798 16,399 49,198 24,599 73,798 36,899 110,698 55,349 166,048 83,024 41,512 20,756 10,378 5,189 15,568 7,784 3,892

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