397,403

199 × 1997

Prime Factor Structure

Factorization String 199 × 1997

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 399,600

Proper Divisor Sum 2,197

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #397379 ← → #397427

1 199 1,997 397,403

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

397,403 1,192,210 596,105 1,788,316 894,158 447,079 1,341,238 670,619 2,011,858 1,005,929 3,017,788 1,508,894 754,447 2,263,342 1,131,671 3,395,014 1,697,507 5,092,522 2,546,261 7,638,784 3,819,392 1,909,696 954,848 477,424 238,712 119,356 59,678 29,839 89,518 44,759 134,278 67,139 201,418 100,709 302,128 151,064 75,532 37,766 18,883 56,650 28,325 84,976 42,488 21,244 10,622 5,311 15,934 7,967 23,902 11,951 35,854 17,927 53,782 26,891 80,674 40,337 121,012 60,506 30,253 90,760

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