13² × 761

Prime Factor Structure

Factorization String 13^2 × 761

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 139,446

Proper Divisor Sum 10,837

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #128603 ← → #128621

1 13 169 761 9,893 128,609

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

128,609 385,828 192,914 96,457 289,372 144,686 72,343 217,030 108,515 325,546 162,773 488,320 244,160 122,080 61,040 30,520 15,260 7,630 3,815 11,446 5,723 17,170 8,585 25,756 12,878 6,439 19,318 9,659 28,978 14,489 43,468 21,734 10,867 32,602 16,301 48,904 24,452 12,226 6,113 18,340 9,170 4,585 13,756 6,878 3,439 10,318 5,159 15,478 7,739 23,218 11,609 34,828 17,414 8,707 26,122 13,061 39,184 19,592 9,796 4,898

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