2³ × 109 × 739

Prime Factor Structure

Factorization String 2^3 × 109 × 739

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 16

Divisor Sum (σ) 1,221,000

Proper Divisor Sum 576,592

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #644401 ← → #644411

1 2 4 8 109 218 436 739 872 1,478 2,956 5,912 80,551 161,102 322,204 644,408

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

644,408 322,204 161,102 80,551 241,654 120,827 362,482 181,241 543,724 271,862 135,931 407,794 203,897 611,692 305,846 152,923 458,770 229,385 688,156 344,078 172,039 516,118 258,059 774,178 387,089 1,161,268 580,634 290,317 870,952 435,476 217,738 108,869 326,608 163,304 81,652 40,826 20,413 61,240 30,620 15,310 7,655 22,966 11,483 34,450 17,225 51,676 25,838 12,919 38,758 19,379 58,138 29,069 87,208 43,604 21,802 10,901 32,704 16,352 8,176 4,088

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