14449
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 2
- Divisor Sum
- 14450
- Proper Divisor Sum (Aliquot Sum)
- 1
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 14448
- Möbius Function
- -1
- Radical
- 14449
- Omega Function (Ω)
- 1
- Little Omega Function (ω)
- 1
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
- 58
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- yes
- Composite Number
- no
- Semiprime
- no
- Squarefree Number
- yes
- Prime Power
- yes
- Prime Factorization
- no
- Twin Prime
- yes
- Mersenne Prime
- no
- Sophie Germain Prime
- no
- Safe Prime
- no
- Powerful Number
- no
- Achilles Number
- no
- Prime Index
- 1695
- Perfect Power
- no
- Smooth Number
- no
- Carmichael Number
- no
Classification
- Even
- no
- Odd
- yes
Appears in sequences
- Indices of prime Lucas numbers.at n=36A001606
- Primes that remain prime through 3 iterations of function f(x) = 7x + 6.at n=22A023290
- Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 34.at n=2A031622
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 84 ones.at n=5A031852
- Numbers whose set of base-15 digits is {3,4}.at n=27A032839
- Concatenations of two squares in two ways.at n=7A038670
- Sizes of successive balls in D_4 lattice.at n=38A046949
- a(n) = Sum_{i=0..2n} (-1)^i * T(i,2n-i), array T as in A049735.at n=34A049737
- Numbers k such that floor(phi^k) is prime, where phi is the golden ratio.at n=36A059791
- Primes with 22 as smallest positive primitive root.at n=4A061334
- Primes of the form 2*n^2 - 1.at n=39A066436
- Centered 16-gonal numbers.at n=42A069129
- Greatest prime factor of prime(n+1)^2 + prime(n)^2.at n=29A069485
- Primes with either no internal digits or all internal digits are 4.at n=52A069679
- Average of squares of successive primes: a(n) = (prime(n+1)^2 + prime(n)^2)/2, with n >= 2.at n=28A075892
- a(n) = floor(average of first n cubes).at n=37A078618
- Primes p such that (3*p)^2 + p^2 + 3^2 and (3*p)^2 - p^2 - 3^2 are both prime.at n=38A079796
- Shallow diagonal of triangular spiral in A051682.at n=28A081275
- Scale factor by which primitive Pythagorean triangle {x=A088509(n), y=A088510(n), z=A088511(n)} needs be enlarged in order to circumscribe the smallest integral square having a side on the hypotenuse.at n=12A088544
- Irregular primes whose indices are irregular primes of order one.at n=44A090869