4236
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 9912
- Proper Divisor Sum (Aliquot Sum)
- 5676
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1408
- Möbius Function
- 0
- Radical
- 2118
- Omega Function (Ω)
- 4
- 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
- 33
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- Expansion of 1/(1-x)^2/(1-x^2)/(1-x^4)/(1-x^10)/(1-x^20).at n=43A001307
- Numbers k such that k^4 can be written as a sum of four positive 4th powers.at n=22A003294
- Number of vertex-transitive graphs with n nodes.at n=25A006799
- Coordination sequence T1 for Zeolite Code ANA.at n=42A008031
- Coordination sequence T2 for Zeolite Code AST.at n=46A008037
- Coordination sequence T2 for Zeolite Code EDI.at n=46A008085
- Coordination sequence T1 for Zeolite Code AHT.at n=44A009866
- Coordination sequence T3 for Zeolite Code VNI.at n=40A009909
- Expansion of 1/(1-x^5-x^6-x^7-x^8-x^9).at n=43A017840
- Coordination sequence T5 for Zeolite Code CGF.at n=45A019455
- Numbers k such that the continued fraction for sqrt(k) has period 40.at n=35A020379
- Fibonacci sequence beginning 2, 10.at n=14A022367
- Graham-Sloane-type lower bound on the size of a ternary (n,3,5) constant-weight code.at n=11A030505
- 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 32.at n=36A031530
- Multiplicity of highest weight (or singular) vectors associated with character chi_169 of Monster module.at n=38A034557
- Expansion of (3 + x^2) / (1 - x)^4.at n=17A037237
- Numbers whose base-4 representation contains exactly four 0's and one 1.at n=36A045034
- Number of ways to color edges of a tetrahedron using <= n colors.at n=6A046023
- Coordination sequence T4 for Zeolite Code DON.at n=44A047956
- Discriminants of real quadratic number fields K with class number 2 such that the Hilbert class field of K is K(sqrt(3)).at n=27A052477