1,290,153

3 × 37 × 59 × 197

Prime Factor Structure

Factorization String 3 × 37 × 59 × 197

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,805,760

Proper Divisor Sum 515,607

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #1290151 ← → #1290161

1 3 37 59 111 177 197 591 2,183 6,549 7,289 11,623 21,867 34,869 430,051 1,290,153

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

1,290,153 3,870,460 1,935,230 967,615 2,902,846 1,451,423 4,354,270 2,177,135 6,531,406 3,265,703 9,797,110 4,898,555 14,695,666 7,347,833 22,043,500 11,021,750 5,510,875 16,532,626 8,266,313 24,798,940 12,399,470 6,199,735 18,599,206 9,299,603 27,898,810 13,949,405 41,848,216 20,924,108 10,462,054 5,231,027 15,693,082 7,846,541 23,539,624 11,769,812 5,884,906 2,942,453 8,827,360 4,413,680 2,206,840 1,103,420 551,710 275,855 827,566 413,783 1,241,350 620,675 1,862,026 931,013 2,793,040 1,396,520 698,260 349,130 174,565 523,696 261,848 130,924 65,462 32,731 98,194 49,097

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