2,155,803

3 × 13 × 167 × 331

Prime Factor Structure

Factorization String 3 × 13 × 167 × 331

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 3,123,456

Proper Divisor Sum 967,653

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #2155799 ← → #2155837

1 3 13 39 167 331 501 993 2,171 4,303 6,513 12,909 55,277 165,831 718,601 2,155,803

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

2,155,803 6,467,410 3,233,705 9,701,116 4,850,558 2,425,279 7,275,838 3,637,919 10,913,758 5,456,879 16,370,638 8,185,319 24,555,958 12,277,979 36,833,938 18,416,969 55,250,908 27,625,454 13,812,727 41,438,182 20,719,091 62,157,274 31,078,637 93,235,912 46,617,956 23,308,978 11,654,489 34,963,468 17,481,734 8,740,867 26,222,602 13,111,301 39,333,904 19,666,952 9,833,476 4,916,738 2,458,369 7,375,108 3,687,554 1,843,777 5,531,332 2,765,666 1,382,833 4,148,500 2,074,250 1,037,125 3,111,376 1,555,688 777,844 388,922 194,461 583,384 291,692 145,846 72,923 218,770 109,385 328,156 164,078 82,039

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