586
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 882
- Proper Divisor Sum (Aliquot Sum)
- 296
- 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
- 292
- Möbius Function
- 1
- Radical
- 586
- Omega Function (Ω)
- 2
- Little Omega Function (ω)
- 2
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
- 118
- Smith Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- yes
- 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
- fünfhundertsechsundachtzig· ordinal: fünfhundertsechsundachtzigste
- English
- five hundred eighty-six· ordinal: five hundred eighty-sixth
- Spanish
- quinientos ochenta y seis· ordinal: 586º
- French
- cinq cent quatre-vingt-six· ordinal: cinq cent quatre-vingt-sixième
- Italian
- cinquecentoottantasei· ordinal: 586º
- Latin
- quingenti octoginta sex· ordinal: 586.
- Portuguese
- quinhentos e oitenta e seis· ordinal: 586º
Appears in sequences
- a(n) is the number of distinct (infinite) output sequences from binary n-stage shift register which feeds back the complement of the last stage.at n=14A000016
- Let A(n) = #{(i,j): i^2 + j^2 <= n}, V(n) = Pi*n, P(n) = A(n) - V(n); sequence gives values of n where |P(n)| sets a new record.at n=18A000099
- Number of red-black rooted trees with n-1 internal nodes.at n=12A001131
- Number of circulant tournaments on 2n+1 nodes up to Cayley isomorphism.at n=13A002086
- Numbers that are the sum of 9 positive 5th powers.at n=22A003354
- Sum of remainders of n mod k, for k = 1, 2, 3, ..., n.at n=59A004125
- Spiral sieve using Fibonacci numbers.at n=13A005622
- Truncated octahedral numbers: 16*n^3 - 33*n^2 + 24*n - 6.at n=3A005910
- Next term is uniquely the sum of 3 earlier terms.at n=39A007087
- Unique period lengths of primes mentioned in A007615.at n=26A007498
- Number of standard paths of length n in composition poset.at n=6A007555
- Coordination sequence T10 for Zeolite Code EUO.at n=15A008096
- Coordination sequence T4 for Zeolite Code HEU.at n=16A008119
- At least 3 out of 10m+1, 10m+3, 10m+7, 10m+9 are primes.at n=53A008470
- If a, b in sequence, so is ab+6.at n=12A009307
- Coordination sequence T4 for Zeolite Code iRON.at n=17A009884
- Coordination sequence T1 for Zeolite Code VNI.at n=15A009907
- Coefficients in expansion of sqrt(2) as Sum_{n>=1} a(n)/(n*n!*(n+1)!), as found by greedy algorithm.at n=37A011193
- Least m such that the continued fraction for sqrt(m) has period n.at n=23A013646
- a(1)=1, a(n) = n*5^(n-1) + a(n-1).at n=3A014917