5432
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 14
- Digital Root
- 5
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 16
- Divisor Sum
- 11760
- Proper Divisor Sum (Aliquot Sum)
- 6328
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 2304
- Möbius Function
- 0
- Radical
- 1358
- 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
- no
- Harshad Number
- yes
- Narcissistic Number
- no
- Collatz Steps
- 67
- 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
- a(n) = floor( n*(n-1)*(n-2)/23 ).at n=51A011905
- a(n) = 14*a(n-1) - a(n-2) with a(0) = 0, a(1) = 2.at n=4A011944
- n written in fractional base 6/5.at n=20A024638
- a(n) = T(2*n, n-2), where T is given by A026552.at n=6A026560
- Denominators of continued fraction convergents to sqrt(12).at n=7A041017
- Denominators of continued fraction convergents to sqrt(108).at n=9A041195
- Number of nonnegative solutions of x1^2 + x2^2 + ... + x8^2 = n.at n=27A045850
- Sum of first n lucky numbers.at n=47A046279
- Smallest multiple of n with property that each digit is one less (mod 10) than the previous digit; or 0 if no such multiple exists.at n=28A062399
- Numbers k such that the period of the continued fraction for sqrt(3)*k is 2.at n=41A064933
- Numbers k such that prime(k+1)^2 == prime(k)^2 (mod k).at n=26A067783
- Dealing cards in a game of solitaire.at n=14A071761
- Smallest multiple of n which is a reverse concatenation of n nonnegative consecutive numbers, or 0 if no such multiple exists.at n=3A076803
- Triangle read by rows: the n-th row contains n numbers sorted in decreasing value, each build by dropping a different number from the sequence [n,n-1,n-2,....,1] and concatenating the n-1 others. By definition the first row contains 0.at n=10A081541
- Smallest multiple of n which is the reverse concatenation of n consecutive numbers; or 0 if no such number exists.at n=3A083468
- Smallest multiple of n which is the concatenation of n successive numbers in descending order, or 0 if no such number exists.at n=3A087342
- A card-arranging problem: values of n such that there exists a permutation p_1, ..., p_n of 1, ..., n such that i + p_i is a fifth power for every i.at n=19A096906
- Smallest available integer which fits into the repeating pattern 9876543210.at n=29A098756
- Lexicographically earliest increasing sequence with property that in the concatenation of its terms every pair of consecutive digits differs by 1.at n=13A098766
- Expansion of (1-x)^2/((1+x^2)*(1-4*x+x^2)).at n=7A099488