2² × 5 × 19949

Prime Factor Structure

Factorization String 2^2 × 5 × 19949

Distinct Prime Factors 3

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 12

Divisor Sum (σ) 837,900

Proper Divisor Sum 438,920

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #398977 ← → #398989

1 2 4 5 10 20 19,949 39,898 79,796 99,745 199,490 398,980

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

398,980 199,490 99,745 299,236 149,618 74,809 224,428 112,214 56,107 168,322 84,161 252,484 126,242 63,121 189,364 94,682 47,341 142,024 71,012 35,506 17,753 53,260 26,630 13,315 39,946 19,973 59,920 29,960 14,980 7,490 3,745 11,236 5,618 2,809 8,428 4,214 2,107 6,322 3,161 9,484 4,742 2,371 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537

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