14724
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 18
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 18
- Divisor Sum
- 37310
- Proper Divisor Sum (Aliquot Sum)
- 22586
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 4896
- Möbius Function
- 0
- Radical
- 2454
- Omega Function (Ω)
- 5
- Little Omega Function (ω)
- 3
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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 133
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- yes
- Odd
- no
Appears in sequences
- Numbers k such that k and 3*k are anagrams.at n=7A023087
- Number of binary [ n,5 ] codes.at n=12A034359
- Number of binary [ n,8 ] codes.at n=12A034362
- Number of partitions of n with equal number of parts congruent to each of 0 and 1 (mod 3).at n=50A035534
- When expressed in base 2 and then interpreted in base 3, is a multiple of the original number.at n=21A062845
- Number of fib00 primes (A095082) in range [2^n,2^(n+1)].at n=18A095062
- The arithmetic mean of the n-th and (n+1)-st cubes, rounded down.at n=24A147656
- G.f. satisfies: A(x) = 1 + x*d/dx log(1 + x*A(x)^2).at n=6A159607
- Sum of a positive square and a positive cube in at least three ways.at n=23A171385
- Left edge of the triangle in A033291.at n=35A192735
- Numbers x whose digits can be permuted to produce a multiple of x.at n=28A245680
- Numbers k such that R_k + 10 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=8A256721
- Number of length-n 0..3 arrays with every repeated value unequal to the previous repeated value plus one mod 3+1.at n=6A269771
- T(n,k)=Number of length-n 0..k arrays with every repeated value unequal to the previous repeated value plus one mod k+1.at n=42A269776
- Number of length-7 0..n arrays with every repeated value unequal to the previous repeated value plus one mod n+1.at n=2A269779
- Number of aperiodic necklaces (Lyndon words) with k<=6 black beads and n-k white beads.at n=27A277631
- Triangle read by rows where T(n,k) is the number of labeled simple graphs with n vertices and vertex-connectivity k.at n=32A327334
- Numbers k such that k and k+1 are both hoax numbers (A019506).at n=27A329935
- G.f. A(x) satisfies: A(x) = A(x^2 + x^3) / x.at n=24A350432
- a(n) = number of partitions p of n such that the least multiplicity of the parts of p is a part of p.at n=36A365614