544
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
- 12
- Divisor Sum
- 1134
- Proper Divisor Sum (Aliquot Sum)
- 590
- 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
- 256
- Möbius Function
- 0
- Radical
- 34
- Omega Function (Ω)
- 6
- 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
- 17
- 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
- yes
- Odd
- no
Names
- German
- fünfhundertvierundvierzig· ordinal: fünfhundertvierundvierzigste
- English
- five hundred forty-four· ordinal: five hundred forty-fourth
- Spanish
- quinientos cuarenta y cuatro· ordinal: 544º
- French
- cinq cent quarante-quatre· ordinal: cinq cent quarante-quatrième
- Italian
- cinquecentoquarantaquattro· ordinal: 544º
- Latin
- quingenti quadraginta quattuor· ordinal: 544.
- Portuguese
- quinhentos e quarenta e quatro· ordinal: 544º
Appears in sequences
- Number of ways of writing n as a sum of 6 squares.at n=6A000141
- Number of symmetric relations on n nodes.at n=5A000666
- Number of alternating permutations of order n.at n=7A001250
- a(n) = n*phi(n).at n=33A002618
- The square sieve.at n=40A002960
- Numbers that are the sum of 4 nonzero 4th powers.at n=26A003338
- Numbers of edges of regular polygons constructible with ruler (or, more precisely, an unmarked straightedge) and compass.at n=47A003401
- Expansion of (Sum x^(n^2), n = -inf .. inf )^(-16).at n=2A004417
- Numbers that are the sum of at most 4 nonzero 4th powers.at n=59A004833
- a(n) = 5^n - 3^n.at n=4A005058
- a(n) = n*(n+4)*(n+5)/6.at n=12A005586
- Spiral sieve using Fibonacci numbers.at n=13A005624
- Theta series of D_4 lattice with respect to deep hole.at n=33A005879
- a(n) = 10*n^3 - 6*n^2.at n=4A006592
- McKay-Thompson series of class 5B for the Monster group with a(0) = 0.at n=12A007252
- a(n) = floor(n^2/2).at n=33A007590
- Coordination sequence T1 for Zeolite Code ABW and ATN.at n=16A008000
- Coordination sequence T2 for Zeolite Code MEI.at n=17A008147
- Coordination sequence T2 for Zeolite Code MEL.at n=15A008151
- Coordination sequence T7 for Zeolite Code MEL.at n=15A008156