4371
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 8
- Divisor Sum
- 6144
- Proper Divisor Sum (Aliquot Sum)
- 1773
- 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
- 2760
- Möbius Function
- -1
- Radical
- 4371
- Omega Function (Ω)
- 3
- Little Omega Function (ω)
- 3
Special
- Factorial
- no
- Catalan Number
- no
- Bell Number
- no
- Motzkin Number
- no
- Primorial
- no
Figurate Numbers
- Fibonacci Number
- no
- Triangular Number
- yes
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- yes
- 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
- 108
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- 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
- Hexagonal numbers: a(n) = n*(2*n-1).at n=47A000384
- Degrees of irreducible representations of Baby Monster group B.at n=1A001378
- Fermat pseudoprimes to base 2, also called Sarrus numbers or Poulet numbers.at n=14A001567
- Coordination sequence T1 for Zeolite Code VSV.at n=42A009914
- Odd triangular numbers.at n=46A014493
- a(n) = (2*n+1)*(4*n+1).at n=23A014634
- Binomial coefficients C(n,92).at n=2A017756
- Binomial coefficients C(94,n).at n=2A017810
- Fermat pseudoprimes to base 4.at n=29A020136
- Pseudoprimes to base 16.at n=38A020144
- Pseudoprimes to base 23.at n=36A020151
- Pseudoprimes to base 29.at n=29A020157
- Pseudoprimes to base 32.at n=45A020160
- Pseudoprimes to base 35.at n=18A020163
- Pseudoprimes to base 46.at n=41A020174
- Pseudoprimes to base 58.at n=26A020186
- Pseudoprimes to base 61.at n=37A020189
- Pseudoprimes to base 70.at n=25A020198
- Pseudoprimes to base 77.at n=22A020205
- Pseudoprimes to base 85.at n=36A020213