3 × 7 × 61 × 101

Prime Factor Structure

Factorization String 3 × 7 × 61 × 101

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 202,368

Proper Divisor Sum 72,987

Digit Sum / Digital Root 24 (Root: 6)

Adjacent Primes #129379 ← → #129401

1 3 7 21 61 101 183 303 427 707 1,281 2,121 6,161 18,483 43,127 129,381

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

129,381 388,144 194,072 97,036 48,518 24,259 72,778 36,389 109,168 54,584 27,292 13,646 6,823 20,470 10,235 30,706 15,353 46,060 23,030 11,515 34,546 17,273 51,820 25,910 12,955 38,866 19,433 58,300 29,150 14,575 43,726 21,863 65,590 32,795 98,386 49,193 147,580 73,790 36,895 110,686 55,343 166,030 83,015 249,046 124,523 373,570 186,785 560,356 280,178 140,089 420,268 210,134 105,067 315,202 157,601 472,804 236,402 118,201 354,604 177,302

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