5295
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 21
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 8496
- Proper Divisor Sum (Aliquot Sum)
- 3201
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 2816
- Möbius Function
- -1
- Radical
- 5295
- Omega Function (Ω)
- 3
- 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
- no
- Narcissistic Number
- no
- Collatz Steps
- 147
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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 k^4 can be written as a sum of four positive 4th powers.at n=34A003294
- Coordination sequence T1 for Zeolite Code YUG.at n=47A008247
- a(n) = Sum_{1 <= j <= i <= n} S(i,j), where S(i,j) are Stirling numbers of the second kind.at n=7A024716
- Composite numbers whose prime factors contain no digits other than 3 and 5.at n=37A036315
- a(n)=(s(n)+2)/9, where s(n)=n-th base 9 palindrome that starts with 7.at n=41A043078
- Numbers of the form p*q*r where p,q,r are distinct odd palindromic primes (odd terms from A002385).at n=21A046405
- Squarefree nonprimes with property that the concatenation of the prime factors is a palindrome.at n=41A046448
- Numbers that are the product of 3 prime factors whose concatenation is a palindrome.at n=18A046452
- Numbers k such that k and its reversal are both multiples of 15.at n=26A062905
- Non-palindromic number and its reversal are both multiples of 15.at n=21A062914
- Number of partitions of n in which the number of parts divides n.at n=35A067538
- Least n such that n consecutive values in A080378 equals 2; i.e., exactly n differences between consecutive primes give residues 2 when divided by 4.at n=14A080379
- A transform of C(n,2).at n=6A082151
- a(n) = A083710(n) - A000041(n-1).at n=59A083711
- Numbers k such that k^4 can be written as a sum of four distinct positive 4th powers.at n=34A096739
- Largest number k such that the interval [k^2,(k+1)^2] contains not more than n pairs of twin primes.at n=33A099154
- Numbers k such that 4*k-1, 8*k-1 and 16*k-1 are all primes.at n=33A101790
- Numbers k such that 2*k-1, 4*k-1 and 6*k-1 are primes.at n=45A124486
- Numbers k such that 2*k-1, 4*k-1, 6*k-1 and 8*k-1 are primes.at n=4A124487
- Numbers k for which 2*k-1, 4*k-1 and 8*k-1 are primes.at n=40A124493