390989

Prime Factor Structure

Factorization String 390989

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 390,990

Proper Divisor Sum 1

Digit Sum / Digital Root 38 (Root: 2)

Adjacent Primes #390967 ← → #390991

1 390,989

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

390,989 1,172,968 586,484 293,242 146,621 439,864 219,932 109,966 54,983 164,950 82,475 247,426 123,713 371,140 185,570 92,785 278,356 139,178 69,589 208,768 104,384 52,192 26,096 13,048 6,524 3,262 1,631 4,894 2,447 7,342 3,671 11,014 5,507 16,522 8,261 24,784 12,392 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109 328 164 82 41 124 62 31 94 47 142 71

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