3 × 7 × 31 × 1321

Prime Factor Structure

Factorization String 3 × 7 × 31 × 1321

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,353,728

Proper Divisor Sum 493,757

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #859939 ← → #859973

1 3 7 21 31 93 217 651 1,321 3,963 9,247 27,741 40,951 122,853 286,657 859,971

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

859,971 2,579,914 1,289,957 3,869,872 1,934,936 967,468 483,734 241,867 725,602 362,801 1,088,404 544,202 272,101 816,304 408,152 204,076 102,038 51,019 153,058 76,529 229,588 114,794 57,397 172,192 86,096 43,048 21,524 10,762 5,381 16,144 8,072 4,036 2,018 1,009 3,028 1,514 757 2,272 1,136 568 284 142 71 214 107 322 161 484 242 121 364 182 91 274 137 412 206 103 310 155

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