5 × 7 × 31 × 61

Prime Factor Structure

Factorization String 5 × 7 × 31 × 61

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 95,232

Proper Divisor Sum 29,047

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #66179 ← → #66191

1 5 7 31 35 61 155 217 305 427 1,085 1,891 2,135 9,455 13,237 66,185

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

66,185 198,556 99,278 49,639 148,918 74,459 223,378 111,689 335,068 167,534 83,767 251,302 125,651 376,954 188,477 565,432 282,716 141,358 70,679 212,038 106,019 318,058 159,029 477,088 238,544 119,272 59,636 29,818 14,909 44,728 22,364 11,182 5,591 16,774 8,387 25,162 12,581 37,744 18,872 9,436 4,718 2,359 7,078 3,539 10,618 5,309 15,928 7,964 3,982 1,991 5,974 2,987 8,962 4,481 13,444 6,722 3,361 10,084 5,042 2,521

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