3455
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 17
- Digital Root
- 8
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 4152
- Proper Divisor Sum (Aliquot Sum)
- 697
- 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
- 3455
- 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
- 56
- 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 5-level labeled rooted trees with n leaves.at n=5A000357
- Number of n-step mappings with 5 inputs.at n=4A005946
- Coordination sequence T2 for Zeolite Code LTL.at n=43A008139
- Coordination sequence T3 for Zeolite Code PAU.at n=43A008221
- Coordination sequence T7 for Zeolite Code PAU.at n=43A008225
- Coordination sequence T3 for Zeolite Code STI.at n=40A008236
- Coordination sequence T3 for Zeolite Code DFO.at n=45A009877
- Numerator of [x^(2n+1)] in the Taylor expansion tan(cosec(x)-cot(x)).at n=5A013519
- Numbers whose base-4 representation has 4 fewer 0's than 3's.at n=32A031469
- Base-5 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2,3.at n=5A037675
- Coordination sequence T8 for Zeolite Code STT.at n=39A038418
- Sums of 10 distinct powers of 2.at n=22A038461
- Matrix 5th power of Stirling2 triangle A008277.at n=10A039813
- Number of partitions satisfying cn(0,5) + cn(1,5) <= cn(2,5) + cn(3,5) and cn(0,5) + cn(4,5) <= cn(2,5) + cn(3,5).at n=31A039886
- Numbers n such that string 5,5 occurs in the base 10 representation of n but not of n-1.at n=34A044387
- Numbers n such that string 5,5 occurs in the base 10 representation of n but not of n+1.at n=34A044768
- Numbers having, in base 15, (sum of even run lengths)=(sum of odd run lengths).at n=18A044886
- Numbers whose base-4 representation contains no 0's and exactly four 3's.at n=31A045065
- Numbers whose base-4 representation contains exactly two 1's and four 3's.at n=5A045123
- Numbers whose base-4 representation contains no 2's and exactly four 3's.at n=29A045137