3 × 17 × 43 × 971

Prime Factor Structure

Factorization String 3 × 17 × 43 × 971

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 3,079,296

Proper Divisor Sum 949,893

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #2129401 ← → #2129419

1 3 17 43 51 129 731 971 2,193 2,913 16,507 41,753 49,521 125,259 709,801 2,129,403

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

2,129,403 6,388,210 3,194,105 9,582,316 4,791,158 2,395,579 7,186,738 3,593,369 10,780,108 5,390,054 2,695,027 8,085,082 4,042,541 12,127,624 6,063,812 3,031,906 1,515,953 4,547,860 2,273,930 1,136,965 3,410,896 1,705,448 852,724 426,362 213,181 639,544 319,772 159,886 79,943 239,830 119,915 359,746 179,873 539,620 269,810 134,905 404,716 202,358 101,179 303,538 151,769 455,308 227,654 113,827 341,482 170,741 512,224 256,112 128,056 64,028 32,014 16,007 48,022 24,011 72,034 36,017 108,052 54,026 27,013 81,040

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