12335
domain: N
Properties
Digital Properties
- Digit Count
- 5
- 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
- 14808
- Proper Divisor Sum (Aliquot Sum)
- 2473
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 9864
- Möbius Function
- 1
- Radical
- 12335
- 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
- 187
- Smith Number
- no
- Vampire 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
Appears in sequences
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = (Lucas numbers), t = (F(2), F(3), ...).at n=14A024472
- a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n+1-k), where k = [ (n+1)/2 ], s = A000201 (lower Wythoff sequence).at n=37A024685
- a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n-k+1), where k = [ n/2 ], s = A000201 (lower Wythoff sequence).at n=36A025118
- Numbers k in which the digits of k^2 appear.at n=19A029774
- Numbers k such that k^2 contains only digits {1,2,5}.at n=15A031153
- a(n) = floor(sqrt(a(n-1)^2 + a(n-2)^2)), a(1)=100, a(2)=300.at n=17A104908
- Numbers k such that k and k^2 use only the digits 1, 2, 3, 4 and 5.at n=26A136968
- Numbers k such that k and k^2 use only the digits 1, 2, 3 and 5.at n=12A136973
- Numbers k such that k and k^2 use only the digits 1, 2, 3, 5 and 6.at n=40A136974
- Numbers k such that k and k^2 use only the digits 1, 2, 3, 5 and 7.at n=16A136975
- Numbers k such that k and k^2 use only the digits 1, 2, 3, 5 and 8.at n=21A136976
- Numbers k such that k and k^2 use only the digits 1, 2, 3, 5 and 9.at n=24A136977
- (1, 1, 2, 3, 5, 7, 11, ...) convolved with (1, 0, 1, 2, 3, 5, 7, 11, ...); given A000041 = (1, 1, 2, 3, 5, 7, ...).at n=19A179906
- Total area of the shadows of the three views of a three-dimensional version of the shell model of partitions with n shells.at n=21A210970
- Partial sums of A253086.at n=49A255150
- Numbers k such that the decimal expansions of both k and k^2 have 1 as smallest digit and 5 as largest digit.at n=5A256889
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 307", based on the 5-celled von Neumann neighborhood.at n=25A271166
- Positive integers m such that m, m + 1 and m + 2 are a sum of a positive square and a positive cube.at n=29A295787
- Numbers m such that m^2+1 is semiprime with (m-1)^2+1 and (m+1)^2+1 primes.at n=28A321985
- Number of integer partitions of n with no adjacent parts having quotient >= 2.at n=51A342096