14914
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 22374
- Proper Divisor Sum (Aliquot Sum)
- 7460
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 7456
- Möbius Function
- 1
- Radical
- 14914
- 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
- 71
- 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
- yes
- Odd
- no
Appears in sequences
- Numbers that are the sum of 9 nonzero 8th powers.at n=26A003387
- Number of tilings of a 4 X 2n rectangle with L tetrominoes.at n=7A084480
- Numbers k such that the k-th triangular number contains only digits {1,2,5}.at n=18A119102
- Coefficient of x^n in product (1+x)*Product_{j>=1} (1 + prime(j)*x^j).at n=13A147544
- a(0)=4; a(n)=n^2+a(n-1) for n>0.at n=35A153058
- Self-convolution of A180711.at n=33A180712
- Number of subsets A of {0,...,n-1} such that A contains 0 and n-1, and |A+A| > |A-A|.at n=26A224893
- Number of new duplicate terms at a given iteration of the Collatz (or 3x+1) map starting with 0.at n=19A275545
- Solution of the complementary equation a(n) = 3*a(n-2) - b(n-2) + 4, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.at n=17A295140
- Generating function = g(g(x)), where g(x) = g.f. of Jacobsthal numbers A001045.at n=9A301699
- Composite numbers k such that k-A238525(k) and k+A238525(k) are prime.at n=35A342648