5 × 7 × 13 × 191

Prime Factor Structure

Factorization String 5 × 7 × 13 × 191

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 129,024

Proper Divisor Sum 42,119

Digit Sum / Digital Root 28 (Root: 1)

Adjacent Primes #86869 ← → #86923

1 5 7 13 35 65 91 191 455 955 1,337 2,483 6,685 12,415 17,381 86,905

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

86,905 260,716 130,358 65,179 195,538 97,769 293,308 146,654 73,327 219,982 109,991 329,974 164,987 494,962 247,481 742,444 371,222 185,611 556,834 278,417 835,252 417,626 208,813 626,440 313,220 156,610 78,305 234,916 117,458 58,729 176,188 88,094 44,047 132,142 66,071 198,214 99,107 297,322 148,661 445,984 222,992 111,496 55,748 27,874 13,937 41,812 20,906 10,453 31,360 15,680 7,840 3,920 1,960 980 490 245 736 368 184 92

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