133,129

67 × 1987

Prime Factor Structure

Factorization String 67 × 1987

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Total Divisors 4

Divisor Sum (σ) 135,184

Proper Divisor Sum 2,055

Digit Sum / Digital Root 19 (Root: 1)

Adjacent Primes #133121 ← → #133153

1 67 1,987 133,129

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

133,129 399,388 199,694 99,847 299,542 149,771 449,314 224,657 673,972 336,986 168,493 505,480 252,740 126,370 63,185 189,556 94,778 47,389 142,168 71,084 35,542 17,771 53,314 26,657 79,972 39,986 19,993 59,980 29,990 14,995 44,986 22,493 67,480 33,740 16,870 8,435 25,306 12,653 37,960 18,980 9,490 4,745 14,236 7,118 3,559 10,678 5,339 16,018 8,009 24,028 12,014 6,007 18,022 9,011 27,034 13,517 40,552 20,276 10,138 5,069

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