1706
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
- 4
- Divisor Sum
- 2562
- Proper Divisor Sum (Aliquot Sum)
- 856
- 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
- 852
- Möbius Function
- 1
- Radical
- 1706
- 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
- yes
- Harshad Number
- no
- Narcissistic Number
- no
- Collatz Steps
- 16
- 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 T1 for Zeolite Code EMT.at n=34A008086
- Coordination sequence T12 for Zeolite Code MFI.at n=26A008164
- Coordination sequence T1 for Zeolite Code TER.at n=28A016433
- Numbers k such that the continued fraction for sqrt(k) has period 19.at n=12A020358
- a(n) = (5*4^n - 2)/3.at n=5A020989
- Largest value of k for which Golay-Rudin-Shapiro sequence A020986(k) = n.at n=32A020991
- a(n) = floor(binomial(2*n,n)/3^n).at n=34A024503
- Coordination sequence T1 for Zeolite Code IFR.at n=29A024982
- Numbers k such that k^2 + (k+1)^2 is palindromic.at n=9A027571
- a(n) = 3*n^2 - 7*n + 6.at n=25A027599
- Numbers k such that 37*2^k+1 is prime.at n=20A032368
- Numbers whose set of base-11 digits is {1,3}.at n=18A032918
- Coordination sequence T3 for Zeolite Code SBT.at n=33A033614
- Coordination sequence T4 for Zeolite Code SBT.at n=33A033615
- Fractional part of square root of a(n) starts with 3: first term of runs.at n=38A034109
- a(n) = C(n+2,3) + 2*C(n,2) + 2*(n-2).at n=18A034857
- Base-3 palindromes that start with 2.at n=35A043002
- Numbers k such that 0 and 5 occur juxtaposed in the base-9 representation of k but not of k-1.at n=41A043184
- Numbers k such that 0 and 6 occur juxtaposed in the base-10 representation of k but not of k-1.at n=33A043221
- Numbers whose base-2 representation has exactly 10 runs.at n=10A043577