4695
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 24
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 7536
- Proper Divisor Sum (Aliquot Sum)
- 2841
- 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
- 2496
- Möbius Function
- -1
- Radical
- 4695
- 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
- 108
- 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
- Coordination sequence T3 for Zeolite Code AFO.at n=45A008017
- Coordination sequence T2 for Zeolite Code FER.at n=42A008107
- a(0) = 1, a(n) = 13*n^2 + 2 for n>0.at n=19A010004
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 21.at n=29A031519
- Lucky numbers with size of gaps equal to 20 (upper terms).at n=8A031903
- Numbers of the form p*q*r where p,q,r are distinct odd palindromic primes (odd terms from A002385).at n=18A046405
- Integer part of (Product(n^((1 + log(i))/i^2), {i, 1, n})).at n=33A062482
- Number of primes less than 10^n containing only the digits 2 and 3 (A020458).at n=15A069749
- a(n) = A077698(n+1)/A077698(n).at n=15A077699
- A bisection of A129095: a(n) = A129095(2n-1) for n>=1.at n=35A129096
- Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1110-0110-0111 pattern in any orientation.at n=10A147504
- a(n) = 2*n^2 + 10*n + 3.at n=46A152813
- Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 9 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.at n=15A166059
- Numbers n such that n, n+1 and n+2 have the same number of divisors, and that number of divisors is larger than 4.at n=34A171666
- A triangle sequence derived from setting an Euler numbers A122045 generalization equal to the MacMahon numbers A060187 to get a generating function expansion: p(x,t) = (exp(t)* (1 - exp(x))* x)/(exp(2 t + t x) + exp(t)* x - exp(t*x)* x).at n=29A178234
- Toothpick sequence with toothpicks connected by their endpoints.at n=40A183126
- Number of distinct values of the sum of 3 products of two 0..n integers.at n=41A225254
- Lexicographically earliest sequence whose second differences are the digits of Pi.at n=45A227844
- a(n+1) = a(n-1) + A001414(a(n)) with a(1)=1, a(2)=2.at n=44A272136
- Numbers which are palindromic in their Elias delta code representation.at n=22A281380