2² × 19 × 53 × 97

Prime Factor Structure

Factorization String 2^2 × 19 × 53 × 97

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 740,880

Proper Divisor Sum 350,164

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #390707 ← → #390721

1 2 4 19 38 53 76 97 106 194 212 388 1,007 1,843 2,014 3,686 4,028 5,141 7,372 10,282 20,564 97,679 195,358 390,716

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

390,716 195,358 97,679 293,038 146,519 439,558 219,779 659,338 329,669 989,008 494,504 247,252 123,626 61,813 185,440 92,720 46,360 23,180 11,590 5,795 17,386 8,693 26,080 13,040 6,520 3,260 1,630 815 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 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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