31 × 21089

Prime Factor Structure

Factorization String 31 × 21089

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 4

Divisor Sum (σ) 674,880

Proper Divisor Sum 21,121

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #653749 ← → #653761

1 31 21,089 653,759

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

653,759 1,961,278 980,639 2,941,918 1,470,959 4,412,878 2,206,439 6,619,318 3,309,659 9,928,978 4,964,489 14,893,468 7,446,734 3,723,367 11,170,102 5,585,051 16,755,154 8,377,577 25,132,732 12,566,366 6,283,183 18,849,550 9,424,775 28,274,326 14,137,163 42,411,490 21,205,745 63,617,236 31,808,618 15,904,309 47,712,928 23,856,464 11,928,232 5,964,116 2,982,058 1,491,029 4,473,088 2,236,544 1,118,272 559,136 279,568 139,784 69,892 34,946 17,473 52,420 26,210 13,105 39,316 19,658 9,829 29,488 14,744 7,372 3,686 1,843 5,530 2,765 8,296 4,148

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