14203
domain: N
Properties
Digital Properties
- Digit Count
- 5
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 16240
- Proper Divisor Sum (Aliquot Sum)
- 2037
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 12168
- Möbius Function
- 1
- Radical
- 14203
- 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
- 58
- 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
- Positive numbers k such that k and 2*k are anagrams in base 6 (written in base 6).at n=14A023064
- Each permutation in the list A060117 converted to Site Swap notation, with digits reversed and inverted. "Zero throws" (fixed elements) indicated with 0's.at n=28A060498
- Each permutation in the list A060118 converted to Site Swap notation, with digits reversed and inverted. "Zero throws" (fixed elements) indicated with 0's.at n=28A060499
- Spiro-tribonacci numbers: a(n) = sum of three previous terms that are nearest when terms arranged in a spiral.at n=30A092360
- Number of permutations of length n which avoid the patterns 2314, 4132, 4321.at n=9A116748
- a(n) = 6 + floor((1 + Sum_{j=1..n-1} a(j))/3).at n=27A120152
- G.f. satisfies: A(x) = Sum_{n>=0} x^(n(n+1)/2) * A(x)^n.at n=15A157133
- Numbers k such that 8^k - k is prime.at n=6A224471
- Number of ways of writing n as the sum of 7 triangular numbers.at n=39A226252
- Number T(n,k) of equivalence classes of ways of placing k 2 X 2 tiles in an n X 10 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=2, 0<=k<=5*floor(n/2), read by rows.at n=38A238586
- Number of partitions of n such that either both floor(n/2) and ceiling(n/2) are parts or else neither is a part.at n=34A238624
- Coinage sequence: a(n) = A018227(n)-7.at n=40A272000
- Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 350", based on the 5-celled von Neumann neighborhood.at n=16A281284
- Number of weakly unimodal compositions of n in which the greatest part occurs exactly eight times.at n=58A320319
- Numbers k such that k - sopfr(k) is a positive cube.at n=19A389889