3 × 5 × 13² × 71

Prime Factor Structure

Factorization String 3 × 5 × 13^2 × 71

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 316,224

Proper Divisor Sum 136,239

Digit Sum / Digital Root 39 (Root: 3)

Adjacent Primes #179981 ← → #179989

1 3 5 13 15 39 65 71 169 195 213 355 507 845 923 1,065 2,535 2,769 4,615 11,999 13,845 35,997 59,995 179,985

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

179,985 539,956 269,978 134,989 404,968 202,484 101,242 50,621 151,864 75,932 37,966 18,983 56,950 28,475 85,426 42,713 128,140 64,070 32,035 96,106 48,053 144,160 72,080 36,040 18,020 9,010 4,505 13,516 6,758 3,379 10,138 5,069 15,208 7,604 3,802 1,901 5,704 2,852 1,426 713 2,140 1,070 535 1,606 803 2,410 1,205 3,616 1,808 904 452 226 113 340 170 85 256 128 64 32

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