595
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- yes
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 864
- Proper Divisor Sum (Aliquot Sum)
- 269
- 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
- 384
- Möbius Function
- -1
- Radical
- 595
- 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
- yes
- 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
- 74
- 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
- no
- Odd
- yes
Names
- German
- fünfhundertfünfundneunzig· ordinal: fünfhundertfünfundneunzigste
- English
- five hundred ninety-five· ordinal: five hundred ninety-fifth
- Spanish
- quinientos noventa y cinco· ordinal: 595º
- French
- cinq cent quatre-vingt-quinze· ordinal: cinq cent quatre-vingt-quinzième
- Italian
- cinquecentonovantacinque· ordinal: 595º
- Latin
- quingenti nonaginta quinque· ordinal: 595.
- Portuguese
- quinhentos e noventa e cinco· ordinal: 595º
Appears in sequences
- Number of permutations of an n-sequence discordant with three given permutations (see reference) in n-5 places.at n=2A000470
- Number of monosubstituted alkanes C(n)H(2n+1)-X of the form shown in the Comments lines that are not stereoisomers.at n=15A000624
- Narayana's cows sequence: a(0) = a(1) = a(2) = 1; thereafter a(n) = a(n-1) + a(n-3).at n=18A000930
- Expansion of 1/(1-x)^2/(1-x^2)/(1-x^4)/(1-x^10)/(1-x^20).at n=24A001307
- Related to Zarankiewicz's problem.at n=32A001841
- Numbers dividing A002037(i) and larger than A002037(i-1), for some i>0.at n=50A002038
- Bisection of A000930.at n=9A002478
- Odd squarefree numbers with an odd number of prime factors that have no prime factors greater than 31.at n=27A002556
- Dimensions of split simple Lie algebras over any field of characteristic zero.at n=54A003038
- Palindromic triangular numbers.at n=7A003098
- Numbers that are the sum of 5 positive 4th powers.at n=36A003339
- Numbers that are the sum of 12 positive 5th powers.at n=28A003357
- Divisors of 2^24 - 1.at n=30A003532
- Divisors of 2^48 - 1.at n=34A003553
- Discriminants of the known imaginary quadratic fields with 1 class per genus (a finite sequence).at n=44A003644
- Triangular numbers written backwards.at n=34A004158
- Hit polynomials, coefficient of y^2 in N_n(y).at n=3A004309
- Binomial coefficient C(5n,n-5).at n=2A004347
- Binomial coefficient C(7n,n-3).at n=2A004371
- Triangular numbers together with squares (excluding 0).at n=55A005214