138157

Prime Factor Structure

Factorization String 138157

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 138,158

Proper Divisor Sum 1

Digit Sum / Digital Root 25 (Root: 7)

Adjacent Primes #138143 ← → #138163

1 138,157

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

138,157 414,472 207,236 103,618 51,809 155,428 77,714 38,857 116,572 58,286 29,143 87,430 43,715 131,146 65,573 196,720 98,360 49,180 24,590 12,295 36,886 18,443 55,330 27,665 82,996 41,498 20,749 62,248 31,124 15,562 7,781 23,344 11,672 5,836 2,918 1,459 4,378 2,189 6,568 3,284 1,642 821 2,464 1,232 616 308 154 77 232 116 58 29 88 44 22 11 34 17 52 26

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