1470
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 12
- Digital Root
- 3
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 24
- Divisor Sum
- 4104
- Proper Divisor Sum (Aliquot Sum)
- 2634
- 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
- 336
- Möbius Function
- 0
- Radical
- 210
- Omega Function (Ω)
- 5
- Little Omega Function (ω)
- 4
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
- 47
- 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
- Pentagonal pyramidal numbers: a(n) = n^2*(n+1)/2.at n=14A002411
- Numbers k such that (k^2 + k + 1)/19 is prime.at n=38A002643
- 7th-order maximal independent sets in cycle graph.at n=48A007389
- Coordination sequence T6 for Zeolite Code MTT.at n=23A008194
- Coordination sequence T1 for Zeolite Code PAU.at n=28A008219
- Expansion of e.g.f.: cos(log(1+x)/cosh(x)).at n=7A009033
- List of ordered areas of Pythagorean triangles.at n=46A009111
- Areas of Pythagorean triangles: numbers which can be the area of a right triangle with integer sides.at n=42A009112
- If a, b in sequence, so is a*b+2.at n=50A009299
- Coordination sequence T2 for Zeolite Code -ROG.at n=29A009860
- Coordination sequence T1 for Zeolite Code CON.at n=27A009868
- Coordination sequence T3 for Zeolite Code CON.at n=27A009870
- Coordination sequence T4 for Zeolite Code CON.at n=27A009871
- Expansion of e.g.f.: cos(arctan(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+13/4!*x^4-20/5!*x^5...at n=7A012964
- (Product of 3 successive Catalan numbers)/2.at n=3A014231
- Numbers k such that s(j) < s(k) for all j < k, where s = A014405.at n=53A014407
- Numbers k that divide s(k), where s(1)=1, s(j)=6*s(j-1)+j.at n=43A014853
- Even pentagonal pyramidal numbers.at n=10A015224
- Numbers n such that phi(n) + 6 | sigma(n).at n=12A015797
- Cycle class sequence c(n) (number of true cycles of length n in which a certain node is included) for zeolite EUO = EU-1 Nan [ AlnSi112-n O224 ].at n=10A019120