390,988

2² × 13 × 73 × 103

Prime Factor Structure

Factorization String 2^2 × 13 × 73 × 103

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Total Divisors 24

Divisor Sum (σ) 754,208

Proper Divisor Sum 363,220

Digit Sum / Digital Root 37 (Root: 1)

Adjacent Primes #390967 ← → #390989

1 2 4 13 26 52 73 103 146 206 292 412 949 1,339 1,898 2,678 3,796 5,356 7,519 15,038 30,076 97,747 195,494 390,988

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

390,988 195,494 97,747 293,242 146,621 439,864 219,932 109,966 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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