3461
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 3462
- 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
- 3460
- Möbius Function
- -1
- Radical
- 3461
- 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
- 149
- 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
- 484
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Prime quadruples: numbers k such that k, k+2, k+6, k+8 are all prime.at n=9A007530
- Coordination sequence T4 for Zeolite Code PAU.at n=43A008222
- a(n) = prime(n^2).at n=21A011757
- a(n) is prime and sum of all primes <= a(n) is prime.at n=46A013917
- Number of ordered quadruples of integers from [ 2,n ] with no global factor.at n=15A015638
- Number of 5-tuples of different integers from [ 1,n ] with no common factors among triples.at n=17A015646
- Number of 5-tuples of different integers from [ 2,n ] with no common factors among triples.at n=17A015649
- Numbers k such that the continued fraction for sqrt(k) has period 33.at n=8A020372
- Initial members of prime triples (p, p+2, p+6).at n=30A022004
- Fibonacci sequence beginning 3, 13.at n=13A022124
- Primes that remain prime through 2 iterations of function f(x) = 3x + 8.at n=37A023248
- a(n) is the smallest number that is the sum of 3 nonzero squares in exactly n ways.at n=22A025414
- Least sum of 3 distinct nonzero squares in exactly n ways.at n=22A025415
- Index of 10^n within the sequence of the numbers of the form 2^i*10^j.at n=45A025740
- Numbers k such that 105*2^k+1 is prime.at n=30A032402
- Numbers k such that 113*2^k+1 is prime.at n=15A032406
- Initial terms of '4-block' primes as described in A032591.at n=12A032592
- Primes of form x^2+53*y^2.at n=35A033234
- Primes of form x^2+61*y^2.at n=34A033239
- Start of a string of exactly 2 consecutive (but disjoint) pairs of twin primes.at n=12A035790