14044
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 6
- Divisor Sum
- 24584
- Proper Divisor Sum (Aliquot Sum)
- 10540
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7020
- Möbius Function
- 0
- Radical
- 7022
- Omega Function (Ω)
- 3
- 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
- 45
- 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 the period of the continued fraction for sqrt(k) contains exactly 88 ones.at n=9A031856
- Numbers k such that 235*2^k+1 is prime.at n=27A032494
- Numbers whose set of base-8 digits is {3,4}.at n=31A032832
- Number of partitions of n with equal number of parts congruent to each of 2 and 3 (mod 4).at n=46A035545
- Numbers having four 3's in base 8.at n=15A043436
- Maximal elements of pairs of "Super Unitary Amicable Numbers", sorted by their minimal elements.at n=26A045614
- Expansion of (1-2*x^3)/(1-2*x-x^3+2*x^4).at n=14A057744
- McKay-Thompson series of class 14C for Monster.at n=15A058504
- a(0) = 1, a(1) = 4; for n >= 2 a(n) is the number of degree-n monic reducible polynomials over GF(4), i.e., a(n) = 4^n - A027377(n).at n=7A058819
- Numbers k such that 2^k mod k = 2^k mod k^2.at n=31A068535
- Rounded volume of a regular octahedron with edge length n.at n=31A071400
- Real part of absolute Gaussian perfect numbers, in order of increasing magnitude.at n=33A102531
- Number of orbits of the 4-step recursion mod n.at n=31A106286
- a(0)=a(1)=a(2)=1, a(n) = a(n-1) + a(n-2) + 2*a(n-3) for n > 2.at n=15A122552
- Numbers k that are not powers of 2 such that 2^k mod k = 2^k mod k^2; or A068535 with powers of 2 excluded.at n=17A125773
- McKay-Thompson series of class 14C for the Monster group with a(0) = 4.at n=15A128516
- a(n) = a(n-1) + a(n-2) + 2a(n-3).at n=15A140295
- Number of (n+1)X(n+1) 0..3 arrays with the array of 2X2 subblock determinants antisymmetric under horizontal and vertical reflection and each non-centerline 2X2 subblock nonsingular.at n=2A187631
- T(n,k)=Number of (n+1)X(n+1) 0..k arrays with the array of 2X2 subblock determinants antisymmetric under horizontal and vertical reflection and each non-centerline 2X2 subblock nonsingular.at n=12A187633
- Number of 4X4 0..n arrays with the array of 2X2 subblock determinants antisymmetric under horizontal and vertical reflection and each non-centerline 2X2 subblock nonsingular.at n=2A187634