3029
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
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3276
- Proper Divisor Sum (Aliquot Sum)
- 247
- 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
- 2784
- Möbius Function
- 1
- Radical
- 3029
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 110
- 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
- A generalized Fibonacci sequence.at n=45A001584
- Number of partitions of at most n into at most 5 parts.at n=26A002622
- Number of simple imperfect squared rectangles of order n up to symmetry.at n=16A002881
- Least d for which the number with continued fraction [n,n,n,n...] is in Q(sqrt(d)).at n=54A013946
- a(n) = lcm(n, Fibonacci(n)).at n=12A014965
- a(n) = n*(9*n - 1)/2.at n=26A022266
- Fibonacci sequence beginning 0, 13.at n=13A022347
- Denominators of continued fraction convergents to sqrt(85).at n=6A041151
- Numerators of continued fraction convergents to sqrt(337).at n=5A041636
- Numbers whose base-7 representation contains exactly three 5's.at n=25A043415
- Numbers n such that string 2,9 occurs in the base 10 representation of n but not of n-1.at n=33A044361
- Numbers n such that string 0,2 occurs in the base 10 representation of n but not of n+1.at n=32A044715
- Numbers n such that string 2,9 occurs in the base 10 representation of n but not of n+1.at n=33A044742
- Sums of two squares of Fibonacci numbers.at n=47A045702
- a(n) = n*Fibonacci(n).at n=13A045925
- Numbers k such that 3*2^k + 7 is prime.at n=23A059746
- Composite and every divisor (except 1) contains the digit 3.at n=27A062668
- Dimension of the space of weight n cuspidal newforms for Gamma_1( 88 ).at n=23A063361
- Numbers n such that Fibonacci(n) is not squarefree, but for all proper divisors k of n, Fibonacci(k) is squarefree.at n=17A065069
- Number of primes in the interval [p(n), p(n)^2] minus p(n), where p(n) is the n-th prime.at n=39A066883