2264
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
- 4
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 4260
- Proper Divisor Sum (Aliquot Sum)
- 1996
- 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
- 1128
- Möbius Function
- 0
- Radical
- 566
- Omega Function (Ω)
- 4
- 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
- 63
- 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
- Absolute value of Glaisher's beta'(2n+1).at n=36A002291
- a(n) = least integer m > a(n-1) such that m - a(n-1) != a(j) - a(k) for all j, k less than n; a(1) = 1, a(2) = 2.at n=45A004978
- Numbers k such that k, k+1 and k+2 have the same number of divisors.at n=44A005238
- Unique period lengths of primes mentioned in A007615.at n=45A007498
- Coordination sequence occurring in Zeolite Codes AFG, CAN, LIO, LOS.at n=33A008013
- Coordination sequence T1 for Zeolite Code LTN.at n=33A008140
- Coordination sequence T1 for Zeolite Code RTH.at n=33A009893
- Numbers k such that phi(k) + 9 | sigma(k + 9).at n=26A015788
- Coordination sequence T2 for Zeolite Code TER.at n=32A016434
- Powers of fifth root of 5 rounded down.at n=24A018126
- Coordination sequence T5 for Zeolite Code MWW.at n=32A024990
- a(n) = T(n,0) + T(n,1) + ... + T(n,n), T given by A027170.at n=8A027178
- Sequence satisfies T^2(a)=a, where T is defined below.at n=43A027591
- a(n) = n^2 + n + 8.at n=47A027693
- Numbers n such that n divides the (right) concatenation of all numbers <= n written in base 18 (most significant digit on right).at n=17A029511
- 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 11.at n=22A031509
- Number of partitions of n into parts 4k and 4k+1 with at least one part of each type.at n=49A035621
- Base 4 digits are, in order, the first n terms of the periodic sequence with initial period 2,0,3,1.at n=5A037723
- Numbers n such that string 3,0 occurs in the base 8 representation of n but not of n-1.at n=40A044211
- Numbers k such that string 3,3 occurs in the base 8 representation of k but not of k-1.at n=35A044214