5029
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 5184
- Proper Divisor Sum (Aliquot Sum)
- 155
- 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
- 4876
- Möbius Function
- 1
- Radical
- 5029
- 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
- 41
- 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
- Numerator of [x^n] in the Taylor expansion exp(cosec(x) - cosech(x)) = 1 + x/3 + x^2/18 + x^3/162 + x^4/1944 + 211*x^5/51030 + ...at n=6A013529
- Numbers k such that the continued fraction for sqrt(k) has period 76.at n=6A020415
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 30 ones.at n=40A031798
- Denominators of continued fraction convergents to sqrt(298).at n=8A041561
- Numbers k such that 2*3^k + 35 is prime.at n=31A059768
- a(n) = floor( n^e ), e = 2.718281828...at n=22A061293
- a(n) is the least index such that the least primitive root of the a(n)-th prime is n, or zero if no such prime exists.at n=33A066529
- Partial sums of A035282.at n=37A078472
- Main diagonal of array in A083140.at n=14A083141
- Numbers n such that 29^n + 2 is prime.at n=10A087886
- Sequence arising from enumeration of domino tilings of Aztec Pillow-like regions.at n=9A092442
- a(n) = floor(n^n*log(n)).at n=4A094940
- Sum k=0..n, C(n-k, floor(k/2))4^k.at n=8A097336
- Semiprimes which are the sum of two pentagonal numbers (A000326) in exactly two different ways.at n=24A120536
- Numbers such that the sum of the factorials of the digits of the cube is a square.at n=23A126076
- Row sums of A138060.at n=23A138289
- a(n) = n*(2*n + 13).at n=47A139578
- Number of rhombuses on a (n+1) X 6 grid.at n=42A190094
- Numerator of Sum_{k=1..n} 1/lambda(k), where lambda(k) is the Carmichael's lambda function.at n=21A211306
- Integers m such that m^3 is the sum of two or more consecutive integer squares.at n=13A212018