3092
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
- 6
- Divisor Sum
- 5418
- Proper Divisor Sum (Aliquot Sum)
- 2326
- 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
- 1544
- Möbius Function
- 0
- Radical
- 1546
- Omega Function (Ω)
- 3
- 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
- 123
- Smith Number
- no
- Vampire Number
- no
Primality
- Prime
- no
- Composite Number
- yes
- Semiprime
- no
- Squarefree Number
- no
- 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
- yes
- Odd
- no
Appears in sequences
- Conjecturally largest even integer which is an unordered sum of two primes in exactly n ways.at n=35A000954
- a(n) = ceiling(1000*log(n)).at n=21A004242
- Coordination sequence T3 for Zeolite Code TON.at n=35A008243
- Coordination sequence for MgNi2, Position Ni3.at n=14A009934
- Powers of fifth root of 22 rounded down.at n=13A018177
- Powers of fifth root of 22 rounded to nearest integer.at n=13A018178
- Fibonacci sequence beginning 4, 19.at n=12A022135
- Numbers k such that Fibonacci(k) == -3 (mod k).at n=41A023164
- Coordination sequence T2 for Zeolite Code ITE.at n=38A027370
- Coordination sequence T4 for Zeolite Code ITE.at n=38A027372
- Coordination sequence T4 for Zeolite Code SBS.at n=44A033611
- Trajectory of 1 under map n->43n+1 if n odd, n->n/2 if n even.at n=27A033977
- Number of partitions of n with equal number of parts congruent to each of 1 and 3 (mod 5).at n=39A035557
- Coordination sequence T2 for Zeolite Code STF.at n=37A038441
- Numbers n such that string 9,2 occurs in the base 10 representation of n but not of n-1.at n=33A044424
- Numbers k such that string 9,2 occurs in the base 10 representation of k but not of k+1.at n=33A044805
- Numbers k such that 129*2^k-1 is prime.at n=29A050590
- Conjecturally largest even integer which is the sum of two primes in at most n ways.at n=36A056636
- Conjecturally largest even integer which is the sum of two primes in at most n ways.at n=35A056636
- Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; each k is an R(i(k),j(k)) and A057040(n)=i(F(n)), where F(n) is the n-th Fibonacci number.at n=36A057040