19 × 23 × 29 × 31

Prime Factor Structure

Factorization String 19 × 23 × 29 × 31

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 460,800

Proper Divisor Sum 67,937

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #392857 ← → #392879

1 19 23 29 31 437 551 589 667 713 899 12,673 13,547 17,081 20,677 392,863

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

392,863 1,178,590 589,295 1,767,886 883,943 2,651,830 1,325,915 3,977,746 1,988,873 5,966,620 2,983,310 1,491,655 4,474,966 2,237,483 6,712,450 3,356,225 10,068,676 5,034,338 2,517,169 7,551,508 3,775,754 1,887,877 5,663,632 2,831,816 1,415,908 707,954 353,977 1,061,932 530,966 265,483 796,450 398,225 1,194,676 597,338 298,669 896,008 448,004 224,002 112,001 336,004 168,002 84,001 252,004 126,002 63,001 189,004 94,502 47,251 141,754 70,877 212,632 106,316 53,158 26,579 79,738 39,869 119,608 59,804 29,902 14,951

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