814
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 1368
- Proper Divisor Sum (Aliquot Sum)
- 554
- 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
- 360
- Möbius Function
- -1
- Radical
- 814
- 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
- 41
- Smith 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
Names
- German
- achthundertvierzehn· ordinal: achthundertvierzehnste
- English
- eight hundred fourteen· ordinal: eight hundred fourteenth
- Spanish
- ochocientos catorce· ordinal: 814º
- French
- huit cent quatorze· ordinal: huit cent quatorzième
- Italian
- ottocentoquattordici· ordinal: 814º
- Latin
- octingenti quattuordecim· ordinal: 814.
- Portuguese
- oitocentos e catorze· ordinal: 814º
Appears in sequences
- Powers of rooted tree enumerator.at n=7A000439
- Numbers beginning with letter 'e' in English.at n=27A000873
- Number of fixed hexagonal polyominoes with n cells.at n=5A001207
- Number of integer points in a certain quadrilateral scaled by a factor of n.at n=42A002789
- Number of (undirected) Hamiltonian paths in the n-ladder graph K_2 X P_n.at n=28A003682
- Number of 2-factors in K_5 X P_n.at n=1A003748
- Coefficients of modular function G_2(tau).at n=37A005760
- Number of words of length n in a certain language.at n=18A005819
- Related to self-avoiding walks on square lattice.at n=5A006814
- Coordination sequence T5 for Zeolite Code DDR.at n=18A008075
- Coordination sequence T1 for Zeolite Code JBW.at n=19A008121
- Multiples of 22.at n=37A008604
- Coordination sequence T4 for Zeolite Code -CHI.at n=18A009849
- Coordination sequence T4 for Zeolite Code ZON.at n=20A009922
- cosh(tanh(x)+log(x+1))=1+4/2!*x^2-6/3!*x^3+19/4!*x^4-140/5!*x^5...at n=6A013126
- a(n) = n^2 + n + 2.at n=28A014206
- Numbers k such that phi(k) | sigma(k + 12).at n=48A015859
- Numbers n such that n | 11^n + 11.at n=13A015903
- Magic numbers: atoms with full shells containing any of these numbers of electrons are considered electronically stable.at n=14A018227
- Divisors of 814.at n=7A018661