2² × 7 × 61 × 257

Prime Factor Structure

Factorization String 2^2 × 7 × 61 × 257

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 895,776

Proper Divisor Sum 456,820

Digit Sum / Digital Root 35 (Root: 8)

Adjacent Primes #438953 ← → #438961

1 2 4 7 14 28 61 122 244 257 427 514 854 1,028 1,708 1,799 3,598 7,196 15,677 31,354 62,708 109,739 219,478 438,956

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

438,956 219,478 109,739 329,218 164,609 493,828 246,914 123,457 370,372 185,186 92,593 277,780 138,890 69,445 208,336 104,168 52,084 26,042 13,021 39,064 19,532 9,766 4,883 14,650 7,325 21,976 10,988 5,494 2,747 8,242 4,121 12,364 6,182 3,091 9,274 4,637 13,912 6,956 3,478 1,739 5,218 2,609 7,828 3,914 1,957 5,872 2,936 1,468 734 367 1,102 551 1,654 827 2,482 1,241 3,724 1,862 931 2,794

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