2033
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 8
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 2160
- Proper Divisor Sum (Aliquot Sum)
- 127
- 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
- 1908
- Möbius Function
- 1
- Radical
- 2033
- 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
- 112
- 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
- Number of rooted trees with n nodes and a single labeled node; pointed rooted trees; vertebrates.at n=9A000107
- Number of solutions to a linear inequality.at n=40A002797
- Coordination sequence T1 for Zeolite Code GME and AFX.at n=34A008110
- Expansion of 1/(1-x^2-x^3-x^4-x^5-x^6-x^7).at n=19A013984
- Square of the lower triangular normalized partition matrix.at n=32A027516
- Numbers whose set of base-5 digits is {1,3}.at n=47A032912
- Small 3-Schroeder numbers: a(n) = A027307(n+1)/2.at n=4A034015
- Number of partitions in parts not of the form 19k, 19k+3 or 19k-3. Also number of partitions with at most 2 parts of size 1 and differences between parts at distance 8 are greater than 1.at n=28A035972
- Number of partitions of n such that cn(0,5) = cn(2,5) < cn(1,5) = cn(3,5) = cn(4,5).at n=76A036857
- Numbers n with property that, reading binary expansion of n from right to left, run lengths strictly increase.at n=49A037015
- Numbers whose base-2 and base-10 expansions have the same digit sum.at n=39A037308
- Denominators of continued fraction convergents to sqrt(456).at n=6A041869
- Base-5 palindromes that start with 3.at n=18A043008
- Numbers k such that string 6,1 occurs in the base 8 representation of k but not of k-1.at n=35A044236
- Numbers n such that string 0,8 occurs in the base 9 representation of n but not of n-1.at n=26A044259
- Numbers n such that string 3,3 occurs in the base 10 representation of n but not of n-1.at n=20A044365
- Numbers n such that string 6,1 occurs in the base 8 representation of n but not of n+1.at n=35A044617
- Numbers k such that string 0,8 occurs in the base 9 representation of k but not of k+1.at n=26A044640
- Numbers n such that string 7,0 occurs in the base 9 representation of n but not of n+1.at n=27A044695
- Numbers n such that string 3,3 occurs in the base 10 representation of n but not of n+1.at n=20A044746