3671
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 3672
- Proper Divisor Sum (Aliquot Sum)
- 1
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 3670
- Möbius Function
- -1
- Radical
- 3671
- Omega Function (Ω)
- 1
- Little Omega Function (ω)
- 1
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- no
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- no
- Lucas Number
- no
- Tetrahedral Number
- no
- Pell Number
- no
- Tribonacci Number
- no
- Pronic Number
- no
Recreational
- Happy Number
- no
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 131
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- yes
- Composite Number
- no
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- yes
- Prime Factorization
- no
- Twin Prime
- yes
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 512
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Erroneous version of A016054.at n=8A006031
- Coordination sequence T1 for Zeolite Code MEI.at n=44A008146
- Numbers n such that (13^n - 1)/12 is prime.at n=8A016054
- Initial members of prime triples (p, p+2, p+6).at n=32A022004
- Numbers whose least quadratic nonresidue (A020649) is 13.at n=9A025025
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 59.at n=20A031557
- Upper prime of a difference of 12 between consecutive primes.at n=37A031931
- Primes of form x^2+95*y^2.at n=26A033206
- Primes of form x^2+71*y^2.at n=33A033246
- Primes of form x^2+86*y^2.at n=23A033255
- a(n) = prime(2^n).at n=9A033844
- Numbers whose base-3 representation contains exactly three 0's and four 2's.at n=35A045008
- Numbers whose base-5 representation contains exactly three 1's and two 4's.at n=14A045261
- F-primes.at n=33A046872
- Primes of the form k^2 + k + 11.at n=32A048059
- Numbers n such that 25*2^n-1 is prime.at n=23A050538
- Euclid-Mullin sequence (A000945) with initial value a(1)=59 instead of a(1)=2.at n=18A051321
- Primes at which the difference pattern X24Y (X and Y >= 6) occurs in A001223.at n=8A052163
- Primes for which some rearrangement of the digits (leading zeros not allowed) is the product of two consecutive primes.at n=25A053652
- Run through primes p; if the digits of p*q (where q is the prime following p) can be rearranged to form one or more primes r, append these primes r to the sequence.at n=16A053736