14273
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16320
- Proper Divisor Sum (Aliquot Sum)
- 2047
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 12228
- Möbius Function
- 1
- Radical
- 14273
- 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
- 50
- 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
- List of codewords in binary lexicode with Hamming distance 6 written as decimal numbers.at n=22A075934
- a(n) = numerator(Sum_{k=0..n} 1/(binomial(2*k,k)*(k+1))).at n=5A145564
- E.g.f.: A(x) = Sum_{n>=0} x^n*faq(n,x)/n!, where faq(n,q) = q-factorial of n.at n=8A152284
- Numbers k such that (2^k + k - 1)*2^k - 1 is prime.at n=16A201359
- Row sums of A211788.at n=6A211789
- Number of nondecreasing -n..n vectors of length 4 whose dot product with some nondecreasing -n..n vector equals 4.at n=10A226412
- Number of 2 X n 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.at n=41A240001
- Number of length n arrays of permutations of 0..n-1 with each element moved by -2 to 2 places and every four consecutive elements having its maximum within 4 of its minimum.at n=21A263711
- Numbers k such that the largest prime divisor of k^4+1 is less than k.at n=17A309562
- Irregular triangle read by rows: the right-hand side of the triangle in A349813.at n=60A349814
- Number of binary necklaces with n beads and at least two consecutive black beads.at n=17A351359
- Lesser of 2 successive squarefree semiprimes (k, k+4) sandwiching 3 consecutive nonsquarefree numbers.at n=40A363821