3 × 6997

Prime Factor Structure

Factorization String 3 × 6997

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 27,992

Proper Divisor Sum 7,001

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #20983 ← → #21001

1 3 6,997 20,991

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

20,991 62,974 31,487 94,462 47,231 141,694 70,847 212,542 106,271 318,814 159,407 478,222 239,111 717,334 358,667 1,076,002 538,001 1,614,004 807,002 403,501 1,210,504 605,252 302,626 151,313 453,940 226,970 113,485 340,456 170,228 85,114 42,557 127,672 63,836 31,918 15,959 47,878 23,939 71,818 35,909 107,728 53,864 26,932 13,466 6,733 20,200 10,100 5,050 2,525 7,576 3,788 1,894 947 2,842 1,421 4,264 2,132 1,066 533 1,600 800

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