14863
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
- 4
- Divisor Sum
- 15120
- Proper Divisor Sum (Aliquot Sum)
- 257
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 14608
- Möbius Function
- 1
- Radical
- 14863
- 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
- no
- Odd
- yes
Appears in sequences
- Numbers k such that sigma(k) = sigma(k+10).at n=21A015880
- Numbers k such that k^18 == 1 (mod 19^3).at n=40A056089
- Product of the members of pairs of primes (p, q) with p < q and such that, for some integer k, (p+q)/2 = 2^k and p > 2^(k-1).at n=7A072745
- a(n) = A082613(n) divided by the n-th power that divides it.at n=15A082614
- a(n) = 9 + floor((3 + Sum_{j=1..n-1} a(j))/4).at n=33A120167
- Floor(((1+sqrt(7))/2)^n).at n=16A125896
- Largest number not the sum of n distinct nonzero squares.at n=29A129210
- Triangle read by rows: T(n,k) = 2 * A011971(n,k) - 1.at n=39A136791
- Numbers whose Schwarzian arithmetic derivative is an integer.at n=28A209872
- Solutions of the equation k'' = tau(k) * k', where k' and k'' are the first and the second arithmetic derivative of k.at n=9A230544
- Largest finite number of distinct words arising in Watanabe's tag system {00, 1011} applied to a binary word w, over all starting words w of length n.at n=22A291067
- Number of relatively prime or monic partitions of n.at n=34A300486