7 × 13 × 47 × 409

Prime Factor Structure

Factorization String 7 × 13 × 47 × 409

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 2,204,160

Proper Divisor Sum 454,867

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #1749287 ← → #1749313

1 7 13 47 91 329 409 611 2,863 4,277 5,317 19,223 37,219 134,561 249,899 1,749,293

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

1,749,293 5,247,880 2,623,940 1,311,970 655,985 1,967,956 983,978 491,989 1,475,968 737,984 368,992 184,496 92,248 46,124 23,062 11,531 34,594 17,297 51,892 25,946 12,973 38,920 19,460 9,730 4,865 14,596 7,298 3,649 10,948 5,474 2,737 8,212 4,106 2,053 6,160 3,080 1,540 770 385 1,156 578 289 868 434 217 652 326 163 490 245 736 368 184 92 46 23 70 35 106 53

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