1934
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
- 2904
- Proper Divisor Sum (Aliquot Sum)
- 970
- 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
- 966
- Möbius Function
- 1
- Radical
- 1934
- 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
- 143
- 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
- yes
- Odd
- no
Appears in sequences
- Coordination sequence T3 for Zeolite Code MFI.at n=28A008166
- a(n) = n^2 - 2.at n=43A008865
- Coordination sequence T5 for Zeolite Code RUT.at n=29A009901
- A B_2 sequence: a(n) = least value such that sequence increases and pairwise sums of distinct elements are all distinct.at n=36A011185
- Seven iterations of Reverse and Add are needed to reach a palindrome.at n=25A015986
- a(n) = T(n,m) + T(n,m+1) + ... + T(n,n), m=[ (n+1)/2 ], T given by A026780.at n=10A026902
- Positions of record values in A030737.at n=40A030742
- Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 42.at n=15A031540
- "CFJ" (necklace, size, labeled) transform of 2,2,2,2...at n=7A032134
- Base 3 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,2.at n=6A037568
- Number of partitions satisfying 0 < cn(1,5) + cn(4,5) + cn(2,5) and 0 < cn(1,5) + cn(4,5) + cn(3,5).at n=25A039902
- Numbers k such that 3 and 4 occur juxtaposed in the base-10 representation of k but not of k-1.at n=38A043240
- Numbers k such that 3 and 4 occur juxtaposed in the base-10 representation of k but not of k+1.at n=38A044020
- Numbers k such that string 3,2 occurs in the base 7 representation of k but not of k-1.at n=45A044161
- Numbers n such that string 1,6 occurs in the base 8 representation of n but not of n-1.at n=34A044201
- Numbers n such that the string 7,8 occurs in the base 9 representation of n but not of n-1.at n=23A044322
- Numbers n such that string 3,4 occurs in the base 10 representation of n but not of n-1.at n=21A044366
- Numbers n such that string 1,6 occurs in the base 8 representation of n but not of n+1.at n=34A044582
- Numbers n such that string 5,7 occurs in the base 9 representation of n but not of n+1.at n=26A044684
- Numbers n such that string 7,8 occurs in the base 9 representation of n but not of n+1.at n=23A044703