3097
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3280
- Proper Divisor Sum (Aliquot Sum)
- 183
- 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
- 2916
- Möbius Function
- 1
- Radical
- 3097
- 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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 185
- 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 partitions into non-integral powers.at n=12A000160
- Pseudoprimes to base 23.at n=31A020151
- Pseudoprimes to base 30.at n=23A020158
- Pseudoprimes to base 40.at n=17A020168
- Pseudoprimes to base 53.at n=32A020181
- Pseudoprimes to base 58.at n=19A020186
- Pseudoprimes to base 59.at n=22A020187
- Pseudoprimes to base 78.at n=16A020206
- Pseudoprimes to base 85.at n=30A020213
- Strong pseudoprimes to base 58.at n=5A020284
- Strong pseudoprimes to base 59.at n=8A020285
- Strong pseudoprimes to base 78.at n=9A020304
- Strong pseudoprimes to base 85.at n=5A020311
- Numbers k such that the continued fraction for sqrt(k) has period 54.at n=8A020393
- a(n) = s(n+3)/3, where s(n) = A024725(n).at n=13A024726
- Coordination sequence T3 for Zeolite Code CGS.at n=41A027367
- Coordination sequence T1 for Zeolite Code SAT.at n=40A027373
- Number of distinct products ijk with 0 <= i < j < k <= n.at n=38A027429
- Product of n with 666 is palindromic.at n=16A030094
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 24 ones.at n=29A031792