635
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
- 768
- Proper Divisor Sum (Aliquot Sum)
- 133
- 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
- 504
- Möbius Function
- 1
- Radical
- 635
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 30
- 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
- sechshundertfünfunddreißig· ordinal: sechshundertfünfunddreißigste
- English
- six hundred thirty-five· ordinal: six hundred thirty-fifth
- Spanish
- seiscientos treinta y cinco· ordinal: 635º
- French
- six cent trente-cinq· ordinal: six cent trente-cinqième
- Italian
- seicentotrentacinque· ordinal: 635º
- Latin
- sescenti triginta quinque· ordinal: 635.
- Portuguese
- seiscentos e trinta e cinco· ordinal: 635º
Appears in sequences
- Number of permutations of [n] containing exactly 2 increasing subsequences of length 3.at n=7A001089
- Number of ways of making change for n cents using coins of 1, 2, 5, 10, 20, 50 cents.at n=56A001313
- Numbers k such that phi(k) = phi(k+2).at n=17A001494
- Primes multiplied by 5.at n=30A001750
- Numerators of convergents to cube root of 2.at n=8A002352
- Denominators of convergents to cube root of 4.at n=9A002355
- Not integral, withdrawn.at n=6A002692
- Divisors of 2^28 - 1.at n=16A003536
- Sum of remainders of n mod k, for k = 1, 2, 3, ..., n.at n=58A004125
- Number of partitions of 3n into powers of 3.at n=39A005704
- x^3 + n*y^3 = 1 is solvable.at n=25A005988
- Pierce expansion for 1 / Pi.at n=5A006283
- Number of loopless rooted planar maps with 3 faces and n vertices and no isthmuses. Also a(n)=T(4,n-3), array T as in A049600.at n=12A006416
- Cald's sequence: a(n+1) = a(n) - prime(n) if that value is positive and new, otherwise a(n) + prime(n) if new, otherwise 0; start with a(1)=1.at n=121A006509
- Number of 2-dimensional directed compact animals of size n.at n=7A006801
- Number of triangles with integer sides and area = n times perimeter.at n=38A007237
- Apocalyptic powers: 2^a(n) contains 666.at n=46A007356
- Coordination sequence T1 for Zeolite Code LTL.at n=19A008138
- Coordination sequence T2 for Zeolite Code MFI.at n=16A008165
- Molien series for Weyl group F_4.at n=58A008670