3379
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 22
- Digital Root
- 4
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3520
- Proper Divisor Sum (Aliquot Sum)
- 141
- 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
- 3240
- Möbius Function
- 1
- Radical
- 3379
- 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
- 35
- 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
- Oscillates under partition transform.at n=40A007210
- Coordination sequence T6 for Zeolite Code EUO.at n=36A008101
- Coordination sequence T8 for Zeolite Code EUO.at n=36A008103
- Pseudoprimes to base 63.at n=13A020191
- Strong pseudoprimes to base 63.at n=7A020289
- a(n) = n*(7*n + 1)/2.at n=31A022265
- a(n) = (1/1 + 1/(n-1) + ... + 1/C(n-[ n/2 ],[ n/2 ]))*L, where L = LCM{1, n-1, ..., C(n-[ n/2 ],[ n/2 ])}.at n=11A025563
- a(n) = (d(n)-r(n))/2, where d = A026057 and r is the periodic sequence with fundamental period (0,0,1,0).at n=27A026058
- Numbers k such that k^2 and k^3 do not have any common digits.at n=24A029787
- Numbers k such that 69*2^k+1 is prime.at n=16A032384
- Multiplicity of highest weight (or singular) vectors associated with character chi_10 of Monster module.at n=36A034398
- Multiplicity of highest weight (or singular) vectors associated with character chi_130 of Monster module.at n=38A034518
- Number of odd split numbers (A036382) of which the binary order (A029837) is <= n, i.e., those which occur below 2^n.at n=13A036388
- Number of partitions of 5n such that cn(1,5) = cn(4,5) < cn(0,5) < cn(2,5) = cn(3,5).at n=11A036894
- Numerators of continued fraction convergents to sqrt(820).at n=6A042582
- The sequence e when b=[ 1,1,1,1,0,1,1,1,... ].at n=60A042959
- Numbers n such that string 7,9 occurs in the base 10 representation of n but not of n-1.at n=36A044411
- Numbers n such that string 3,7 occurs in the base 10 representation of n but not of n+1.at n=37A044750
- Numbers n such that string 7,9 occurs in the base 10 representation of n but not of n+1.at n=36A044792
- Numbers having, in base 15, (sum of even run lengths)=(sum of odd run lengths).at n=3A044886