2354
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
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 3888
- Proper Divisor Sum (Aliquot Sum)
- 1534
- 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
- 1060
- Möbius Function
- -1
- Radical
- 2354
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
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
- 32
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- no
- Prime Factorization
- no
- Twin Prime
- no
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- yes
- Odd
- no
Appears in sequences
- Number of (undirected) Hamiltonian paths in the n-ladder graph K_2 X P_n.at n=48A003682
- Number of points on surface of hexagonal prism: 12*n^2 + 2 for n > 0 (coordination sequence for W(2)).at n=14A005914
- Number of points on surface of square pyramid: 3*n^2 + 2 (n>0).at n=28A005918
- Number of non-Abelian metacyclic groups of order 2^n.at n=43A007982
- Coordination sequence T7 for Zeolite Code MTT.at n=30A008195
- Coordination sequence T1 for Zeolite Code NES.at n=31A008205
- Coordination sequence T5 for Zeolite Code NES.at n=31A008209
- Coordination sequence T2 for Moganite, also for BGB1.at n=31A008259
- Coordination sequence T2 for Zeolite Code WEI.at n=35A009918
- a(n) = n^2 + n + 2.at n=48A014206
- Powers of cube root of 6 rounded down.at n=13A017991
- Number of 3's in n-th term of A007651.at n=33A022468
- Number of solutions to c(1)*prime(1) + ... + c(n)*prime(n) = 1, where c(i) = +-1 for i > 1, c(1) = 1.at n=19A022895
- a(n) = (1/2)*(1 + Sum_{k=0..n} binomial(2*k, k)).at n=7A024718
- Index of 10^n within the sequence of the numbers of the form 2^i*10^j.at n=37A025740
- 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 48.at n=5A031546
- Coordination sequence T1 for Zeolite Code SFF.at n=32A038437
- Numbers k such that string 6,2 occurs in the base 8 representation of k but not of k-1.at n=40A044237
- Numbers k such that string 0,5 occurs in the base 9 representation of k but not of k-1.at n=31A044256
- Numbers n such that string 5,4 occurs in the base 10 representation of n but not of n-1.at n=25A044386