677,901

3 × 7 × 19 × 1699

Prime Factor Structure

Factorization String 3 × 7 × 19 × 1699

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 16

Divisor Sum (σ) 1,088,000

Proper Divisor Sum 410,099

Digit Sum / Digital Root 30 (Root: 3)

Adjacent Primes #677891 ← → #677927

1 3 7 19 21 57 133 399 1,699 5,097 11,893 32,281 35,679 96,843 225,967 677,901

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

677,901 2,033,704 1,016,852 508,426 254,213 762,640 381,320 190,660 95,330 47,665 142,996 71,498 35,749 107,248 53,624 26,812 13,406 6,703 20,110 10,055 30,166 15,083 45,250 22,625 67,876 33,938 16,969 50,908 25,454 12,727 38,182 19,091 57,274 28,637 85,912 42,956 21,478 10,739 32,218 16,109 48,328 24,164 12,082 6,041 18,124 9,062 4,531 13,594 6,797 20,392 10,196 5,098 2,549 7,648 3,824 1,912 956 478 239 718

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