13 × 43 × 157

Prime Factor Structure

Factorization String 13 × 43 × 157

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 97,328

Proper Divisor Sum 9,565

Digit Sum / Digital Root 31 (Root: 4)

Adjacent Primes #87751 ← → #87767

1 13 43 157 559 2,041 6,751 87,763

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

87,763 263,290 131,645 394,936 197,468 98,734 49,367 148,102 74,051 222,154 111,077 333,232 166,616 83,308 41,654 20,827 62,482 31,241 93,724 46,862 23,431 70,294 35,147 105,442 52,721 158,164 79,082 39,541 118,624 59,312 29,656 14,828 7,414 3,707 11,122 5,561 16,684 8,342 4,171 12,514 6,257 18,772 9,386 4,693 14,080 7,040 3,520 1,760 880 440 220 110 55 166 83 250 125 376 188 94

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