5 × 31 × 71 × 149

Prime Factor Structure

Factorization String 5 × 31 × 71 × 149

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,073,600

Proper Divisor Sum 433,855

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1639733 ← → #1639751

1 5 31 71 149 155 355 745 2,201 4,619 10,579 11,005 23,095 52,895 327,949 1,639,745

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

1,639,745 4,919,236 2,459,618 1,229,809 3,689,428 1,844,714 922,357 2,767,072 1,383,536 691,768 345,884 172,942 86,471 259,414 129,707 389,122 194,561 583,684 291,842 145,921 437,764 218,882 109,441 328,324 164,162 82,081 246,244 123,122 61,561 184,684 92,342 46,171 138,514 69,257 207,772 103,886 51,943 155,830 77,915 233,746 116,873 350,620 175,310 87,655 262,966 131,483 394,450 197,225 591,676 295,838 147,919 443,758 221,879 665,638 332,819 998,458 499,229 1,497,688 748,844 374,422

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