3460
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 13
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 7308
- Proper Divisor Sum (Aliquot Sum)
- 3848
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- no
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 1376
- Möbius Function
- 0
- Radical
- 1730
- Omega Function (Ω)
- 4
- 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
- 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
- 149
- 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
- a(n) = ceiling(1000*log_2(n)).at n=10A004267
- Optimal cost of search tree for searching an ordered array of n elements with cost k of probing element k.at n=38A007077
- Coordination sequence T2 for Zeolite Code GOO.at n=40A008112
- Coordination sequence T2 for Zeolite Code PAU.at n=43A008220
- Coordination sequence T5 for Zeolite Code PAU.at n=43A008223
- Coordination sequence T6 for Zeolite Code PAU.at n=43A008224
- Coordination sequence T2 for Zeolite Code STI.at n=40A008235
- Coordination sequence T1 for Zeolite Code ATO.at n=39A008265
- Expansion of 1/((1-4*x)*(1-5*x)*(1-11*x)).at n=3A019040
- Coordination sequence T1 for Zeolite Code SAO.at n=46A019571
- Numbers k such that the continued fraction for sqrt(k) has period 38.at n=37A020377
- Coordination sequence T2 for Zeolite Code SBT.at n=47A033613
- Number of multiples of 3 in 0..2^n-1 with an even sum of base-2 digits.at n=14A036557
- Number of partitions satisfying (cn(0,5) <= cn(2,5) = cn(3,5) and cn(0,5) <= cn(1,5) and cn(0,5) <= cn(4,5)).at n=40A036807
- Base-9 palindromes that start with 4.at n=17A043031
- Numbers n such that string 4,6 occurs in the base 10 representation of n but not of n-1.at n=38A044378
- Numbers n such that string 6,0 occurs in the base 10 representation of n but not of n-1.at n=37A044392
- Numbers n such that string 6,0 occurs in the base 10 representation of n but not of n+1.at n=37A044773
- Starting from generation 5 add previous and next term yielding generation 6.at n=27A048452
- a(n) = a(n-1) + a(m) for n >= 4, where m = 2*n - 2 - 2^(p+1) and p is the unique integer such that 2^p < n - 1 <= 2^(p+1), starting with a(1) = 1 and a(2) = a(3) = 2.at n=27A050047