7 × 13 × 19

Prime Factor Structure

Factorization String 7 × 13 × 19

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 2,240

Proper Divisor Sum 511

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #1723 ← → #1733

1 7 13 19 91 133 247 1,729

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

1,729 5,188 2,594 1,297 3,892 1,946 973 2,920 1,460 730 365 1,096 548 274 137 412 206 103 310 155 466 233 700 350 175 526 263 790 395 1,186 593 1,780 890 445 1,336 668 334 167 502 251 754 377 1,132 566 283 850 425 1,276 638 319 958 479 1,438 719 2,158 1,079 3,238 1,619 4,858 2,429

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