527
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 576
- Proper Divisor Sum (Aliquot Sum)
- 49
- 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
- 480
- Möbius Function
- 1
- Radical
- 527
- 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
- 79
- 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
- no
- Odd
- yes
Names
- German
- fünfhundertsiebenundzwanzig· ordinal: fünfhundertsiebenundzwanzigste
- English
- five hundred twenty-seven· ordinal: five hundred twenty-seventh
- Spanish
- quinientos veintisiete· ordinal: 527º
- French
- cinq cent vingt-sept· ordinal: cinq cent vingt-septième
- Italian
- cinquecentoventisette· ordinal: 527º
- Latin
- quingenti viginti septem· ordinal: 527.
- Portuguese
- quinhentos e vinte e sete· ordinal: 527º
Appears in sequences
- a(n) = n*(n+3)/2.at n=31A000096
- Boustrophedon transform of 1, 2, 2, 2, 2, ...at n=6A000674
- Odd squarefree numbers with an even number of prime factors that have no prime factors greater than 31.at n=40A002557
- Not integral, withdrawn.at n=5A002693
- a(n) = a(n-1) + 2*a(n-3) with a(0)=a(1)=1, a(2)=3.at n=12A003229
- Numbers that are the sum of 12 positive 5th powers.at n=23A003357
- a(n) = a(n-1)^2 - 2, with a(0) = 5.at n=2A003487
- a(n) = 5*a(n-1) - a(n-2), with a(0) = 2, a(1) = 5.at n=4A003501
- Divisors of 2^40 - 1.at n=26A003546
- Inconsummate numbers in base 10: no number is this multiple of the sum of its digits (in base 10).at n=49A003635
- Divisible only by primes congruent to 3 mod 7.at n=33A004621
- Cubes written in base 8.at n=6A004638
- a(n) = cost of minimal multiplication-cost addition chain for n.at n=38A005766
- Numbers k such that k*(k+1)/2 + 1 is a square.at n=7A006451
- Numbers whose sum of divisors is a square.at n=28A006532
- Number of graphs with n nodes, n-2 edges and no isolated vertices.at n=8A006647
- Number of subwords of length n in infinite word generated by a -> aab, b -> b.at n=35A006697
- Record number of steps to reach 1 in '3x+1' problem, corresponding to starting values in A006877.at n=44A006878
- For any circular arrangement of 0..n-1, let S = sum of squares of every sum of two contiguous numbers; then a(n) = # of distinct values of S.at n=14A007773
- Coordination sequence T6 for Zeolite Code BOG.at n=16A008054