2² × 7 × 31 × 181

Prime Factor Structure

Factorization String 2^2 × 7 × 31 × 181

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 326,144

Proper Divisor Sum 169,036

Digit Sum / Digital Root 22 (Root: 4)

Adjacent Primes #157103 ← → #157109

1 2 4 7 14 28 31 62 124 181 217 362 434 724 868 1,267 2,534 5,068 5,611 11,222 22,444 39,277 78,554 157,108

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

157,108 78,554 39,277 117,832 58,916 29,458 14,729 44,188 22,094 11,047 33,142 16,571 49,714 24,857 74,572 37,286 18,643 55,930 27,965 83,896 41,948 20,974 10,487 31,462 15,731 47,194 23,597 70,792 35,396 17,698 8,849 26,548 13,274 6,637 19,912 9,956 4,978 2,489 7,468 3,734 1,867 5,602 2,801 8,404 4,202 2,101 6,304 3,152 1,576 788 394 197 592 296 148 74 37 112 56 28

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