2 × 13 × 73 × 211

Prime Factor Structure

Factorization String 2 × 13 × 73 × 211

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 658,896

Proper Divisor Sum 258,418

Digit Sum / Digital Root 23 (Root: 5)

Adjacent Primes #400471 ← → #400481

1 2 13 26 73 146 211 422 949 1,898 2,743 5,486 15,403 30,806 200,239 400,478

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

400,478 200,239 600,718 300,359 901,078 450,539 1,351,618 675,809 2,027,428 1,013,714 506,857 1,520,572 760,286 380,143 1,140,430 570,215 1,710,646 855,323 2,565,970 1,282,985 3,848,956 1,924,478 962,239 2,886,718 1,443,359 4,330,078 2,165,039 6,495,118 3,247,559 9,742,678 4,871,339 14,614,018 7,307,009 21,921,028 10,960,514 5,480,257 16,440,772 8,220,386 4,110,193 12,330,580 6,165,290 3,082,645 9,247,936 4,623,968 2,311,984 1,155,992 577,996 288,998 144,499 433,498 216,749 650,248 325,124 162,562 81,281 243,844 121,922 60,961 182,884 91,442

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