3 × 5 × 13 × 317

Prime Factor Structure

Factorization String 3 × 5 × 13 × 317

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 106,848

Proper Divisor Sum 45,033

Digit Sum / Digital Root 21 (Root: 3)

Adjacent Primes #61813 ← → #61819

1 3 5 13 15 39 65 195 317 951 1,585 4,121 4,755 12,363 20,605 61,815

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

61,815 185,446 92,723 278,170 139,085 417,256 208,628 104,314 52,157 156,472 78,236 39,118 19,559 58,678 29,339 88,018 44,009 132,028 66,014 33,007 99,022 49,511 148,534 74,267 222,802 111,401 334,204 167,102 83,551 250,654 125,327 375,982 187,991 563,974 281,987 845,962 422,981 1,268,944 634,472 317,236 158,618 79,309 237,928 118,964 59,482 29,741 89,224 44,612 22,306 11,153 33,460 16,730 8,365 25,096 12,548 6,274 3,137 9,412 4,706 2,353

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