575
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- yes
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 744
- Proper Divisor Sum (Aliquot Sum)
- 169
- 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
- 440
- Möbius Function
- 0
- Radical
- 115
- Omega Function (Ω)
- 3
- 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
- 43
- Smith 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
- no
- Odd
- yes
Names
- German
- fünfhundertfünfundsiebzig· ordinal: fünfhundertfünfundsiebzigste
- English
- five hundred seventy-five· ordinal: five hundred seventy-fifth
- Spanish
- quinientos setenta y cinco· ordinal: 575º
- French
- cinq cent soixante-quinze· ordinal: cinq cent soixante-quinzième
- Italian
- cinquecentosettantacinque· ordinal: 575º
- Latin
- quingenti septuaginta quinque· ordinal: 575.
- Portuguese
- quinhentos e setenta e cinco· ordinal: 575º
Appears in sequences
- a(n) = 4*n^2 - 1.at n=12A000466
- Expansion of 1/((1-x)^2*(1-x^2)*(1-x^3)).at n=24A000601
- Differences of reciprocals of unity.at n=1A001236
- Expansion of 1/((1-2x)(1-3x)(1-6x)).at n=3A001240
- Centered octahedral numbers (crystal ball sequence for cubic lattice).at n=7A001845
- Crystal ball sequence for 7-dimensional cubic lattice.at n=3A001849
- Numbers y such that p^2 = x^2 + y^2, 0 < x < y, p = A002144(n).at n=49A002365
- Dimensions of split simple Lie algebras over any field of characteristic zero.at n=53A003038
- Number of partitions of n into parts 5k+1 or 5k+4.at n=44A003114
- a(n) = n^3 + n^2 - 1.at n=7A003777
- a(n) = C(n,1) + C(n,2) + C(n,3), or n*(n^2 + 5)/6.at n=15A004006
- Expansion of (1 + x - x^5) / (1 - x)^3.at n=29A004120
- a(n) = ceiling(n*phi^6), where phi is the golden ratio.at n=32A004961
- Number of n-step self-avoiding walks on f.c.c. lattice from (0,0,0) to (1,2,3).at n=2A005547
- a(n) = n*(n+2) = (n+1)^2 - 1.at n=23A005563
- a(n) = (n+3)*2^n - 1.at n=7A006589
- Number of partitions of n into nonzero triangular numbers.at n=54A007294
- Tower of Hanoi with 5 pegs.at n=41A007665
- Number of nonsplit type 2 metacyclic 2-groups of order 2^n.at n=36A007981
- Coordination sequence T1 for Zeolite Code JBW.at n=16A008121