3 × 7 × 19 × 3253

Prime Factor Structure

Factorization String 3 × 7 × 19 × 3253

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,082,560

Proper Divisor Sum 784,613

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #1297927 ← → #1297963

1 3 7 19 21 57 133 399 3,253 9,759 22,771 61,807 68,313 185,421 432,649 1,297,947

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

1,297,947 3,893,842 1,946,921 5,840,764 2,920,382 1,460,191 4,380,574 2,190,287 6,570,862 3,285,431 9,856,294 4,928,147 14,784,442 7,392,221 22,176,664 11,088,332 5,544,166 2,772,083 8,316,250 4,158,125 12,474,376 6,237,188 3,118,594 1,559,297 4,677,892 2,338,946 1,169,473 3,508,420 1,754,210 877,105 2,631,316 1,315,658 657,829 1,973,488 986,744 493,372 246,686 123,343 370,030 185,015 555,046 277,523 832,570 416,285 1,248,856 624,428 312,214 156,107 468,322 234,161 702,484 351,242 175,621 526,864 263,432 131,716 65,858 32,929 98,788 49,394

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