2323
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 2448
- Proper Divisor Sum (Aliquot Sum)
- 125
- 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
- 2200
- Möbius Function
- 1
- Radical
- 2323
- 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
- 182
- 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
- Numbers that are the sum of 4 positive 5th powers.at n=29A003349
- Numbers that are the sum of 10 positive 7th powers.at n=12A003377
- Maximal number of pieces obtained by slicing a torus (or a bagel) with n cuts: (n^3 + 3*n^2 + 8*n)/6 (n > 0).at n=23A003600
- Record values in A005210.at n=51A005211
- Consider a 2-D cellular automaton generated by the Schrandt-Ulam rule of A170896, but confined to a semi-infinite strip of width n, starting with one ON cell at the top left corner; a(n) is the period of the resulting structure.at n=40A006447
- Convolve Fibonacci and Pell numbers.at n=10A006684
- Coordination sequence T6 for Zeolite Code DDR.at n=30A008076
- Coordination sequence T2 for Zeolite Code GOO.at n=33A008112
- If x and y are terms, so is x*y + 9.at n=19A009350
- Number of ordered triples of integers from [ 2,n ] with no global factor.at n=24A015633
- First occurrence of exactly n identical terms in A007448.at n=14A016046
- Doublets: base-10 representation is the juxtaposition of two identical strings.at n=22A020338
- Expansion of Product_{m>=1} (1 + x^m)^23.at n=3A022588
- Index of 7^n within the sequence of the numbers of the form 2^i*7^j.at n=40A025720
- a(n) = greatest number in row n of A026098 that is not a positive power of 2.at n=45A026104
- Coordination sequence T4 for Zeolite Code ITE.at n=33A027372
- a(n) = Sum_{k divides 3^n} S(k), where S is the Kempner function A002034.at n=46A029714
- Values of Newton-Gregory forward interpolating polynomial (1/3)*(2*n-7)*(2*n^2-11*n+18).at n=15A030434
- Values of Newton-Gregory forward interpolating polynomial (1/3)*(2*n - 3)*(2*n^2 - 3*n + 4).at n=13A030441
- Lucky numbers with size of gaps equal to 12 (lower terms).at n=26A031894