7 × 31 × 97

Prime Factor Structure

Factorization String 7 × 31 × 97

Distinct Prime Factors 3

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 8

Divisor Sum (σ) 25,088

Proper Divisor Sum 4,039

Digit Sum / Digital Root 16 (Root: 7)

Adjacent Primes #21031 ← → #21059

1 7 31 97 217 679 3,007 21,049

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

21,049 63,148 31,574 15,787 47,362 23,681 71,044 35,522 17,761 53,284 26,642 13,321 39,964 19,982 9,991 29,974 14,987 44,962 22,481 67,444 33,722 16,861 50,584 25,292 12,646 6,323 18,970 9,485 28,456 14,228 7,114 3,557 10,672 5,336 2,668 1,334 667 2,002 1,001 3,004 1,502 751 2,254 1,127 3,382 1,691 5,074 2,537 7,612 3,806 1,903 5,710 2,855 8,566 4,283 12,850 6,425 19,276 9,638 4,819

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