2² × 13 × 31 × 131

Prime Factor Structure

Factorization String 2^2 × 13 × 31 × 131

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 413,952

Proper Divisor Sum 202,780

Digit Sum / Digital Root 14 (Root: 5)

Adjacent Primes #211153 ← → #211177

1 2 4 13 26 31 52 62 124 131 262 403 524 806 1,612 1,703 3,406 4,061 6,812 8,122 16,244 52,793 105,586 211,172

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

211,172 105,586 52,793 158,380 79,190 39,595 118,786 59,393 178,180 89,090 44,545 133,636 66,818 33,409 100,228 50,114 25,057 75,172 37,586 18,793 56,380 28,190 14,095 42,286 21,143 63,430 31,715 95,146 47,573 142,720 71,360 35,680 17,840 8,920 4,460 2,230 1,115 3,346 1,673 5,020 2,510 1,255 3,766 1,883 5,650 2,825 8,476 4,238 2,119 6,358 3,179 9,538 4,769 14,308 7,154 3,577 10,732 5,366 2,683 8,050

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