3² × 19 × 9719

Prime Factor Structure

Factorization String 3^2 × 19 × 9719

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 2,527,200

Proper Divisor Sum 865,251

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #1661939 ← → #1661953

1 3 9 19 57 171 9,719 29,157 87,471 184,661 553,983 1,661,949

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

1,661,949 4,985,848 2,492,924 1,246,462 623,231 1,869,694 934,847 2,804,542 1,402,271 4,206,814 2,103,407 6,310,222 3,155,111 9,465,334 4,732,667 14,198,002 7,099,001 21,297,004 10,648,502 5,324,251 15,972,754 7,986,377 23,959,132 11,979,566 5,989,783 17,969,350 8,984,675 26,954,026 13,477,013 40,431,040 20,215,520 10,107,760 5,053,880 2,526,940 1,263,470 631,735 1,895,206 947,603 2,842,810 1,421,405 4,264,216 2,132,108 1,066,054 533,027 1,599,082 799,541 2,398,624 1,199,312 599,656 299,828 149,914 74,957 224,872 112,436 56,218 28,109 84,328 42,164 21,082 10,541

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