131561

Prime Factor Structure

Factorization String 131561

Distinct Prime Factors 1

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 2

Divisor Sum (σ) 131,562

Proper Divisor Sum 1

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #131543 ← → #131581

1 131,561

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

131,561 394,684 197,342 98,671 296,014 148,007 444,022 222,011 666,034 333,017 999,052 499,526 249,763 749,290 374,645 1,123,936 561,968 280,984 140,492 70,246 35,123 105,370 52,685 158,056 79,028 39,514 19,757 59,272 29,636 14,818 7,409 22,228 11,114 5,557 16,672 8,336 4,168 2,084 1,042 521 1,564 782 391 1,174 587 1,762 881 2,644 1,322 661 1,984 992 496 248 124 62 31 94 47 142

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