### Some articles on *sphenic*:

42 (number) - Mathematics

... factorization 2 · 3 · 7 makes it the second

... factorization 2 · 3 · 7 makes it the second

**sphenic**number and also the second of the form { 2 · 3 · r } ... As with all**sphenic**numbers of this form, the aliquot sum is abundant by 12. 42 is also the second**sphenic**number to be bracketed by twin primes 30 is also a pronic number and also rests between two primes ...**Sphenic**Number

... In number theory, a

**sphenic**number (from Ancient Greek σφήνα, 'wedge') is a positive integer which is the product of three distinct prime numbers. 5 has exactly 3 prime factors, but is not

**sphenic**... All

**sphenic**numbers have exactly eight divisors ...

30 (number) - In Mathematics

30 is the smallest

30 is the smallest

**sphenic**number, and the smallest of the form where r is a prime greater than 3. 30 has an aliquot sum of 42 the second**sphenic**number and all**sphenic**numbers of this form have an aliquot sum 12 greater than themselves ...3000 (number) - Selected Numbers in The Range 3001–3999

... pyramidal number 3080 – pronic number 3081 – triangular number, 497th

... pyramidal number 3080 – pronic number 3081 – triangular number, 497th

**sphenic**number 3087 – sum of first 40 primes 3119 – safe prime 3121 – centered square number 3125. 3256 – centered heptagonal number 3266 – sum of first 41 primes, 523rd**sphenic**number 3276 – tetrahedral number 3277 – 5th super-Poulet number, decagonal number 3281 – octahedral ... prime, safe prime 3637 – balanced prime 3638 – sum of first 43 primes, 599th**sphenic**number 3654 – tetrahedral number 3655 – triangular number, 601st ...Main Site Subjects

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