1114
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 7
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1674
- Proper Divisor Sum (Aliquot Sum)
- 560
- 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
- 556
- Möbius Function
- 1
- Radical
- 1114
- 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
- 44
- 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
- Describe the previous term! (method A - initial term is 4).at n=2A001140
- Smallest k such that the product of q/(q-1) over the primes from prime(n) to prime(n+k-1) is greater than 2.at n=23A001276
- Cluster series for bond percolation problem on cubic lattice.at n=4A003207
- Numbers that are the sum of 8 positive 6th powers.at n=15A003364
- a(n) = 1000*log_10(n) rounded to the nearest integer.at n=12A004226
- a(n) = ceiling(1000*log_10(n)).at n=12A004227
- Representation degeneracies for Ramond strings.at n=12A005304
- Number of self-complementary 2-colored bracelets (turnover necklaces) with 2n beads.at n=11A007148
- Positive even numbers that are not the sum of a pair of twin primes.at n=17A007534
- Coordination sequence T1 for Zeolite Code iRON.at n=23A009881
- a(n) = floor( n*(n-1)*(n-2)/14 ).at n=26A011896
- Expansion of 1/(1-x^7-x^8-x^9-x^10-x^11-x^12-x^13-x^14-x^15-x^16).at n=43A017865
- Numbers k such that the continued fraction for sqrt(k) has period 33.at n=3A020372
- Convolution of A001950 and A014306.at n=31A023669
- a(n) = 1*t(n) + 2*t(n-1) + ... + k*t(n+1-k), where k=floor((n+1)/2) and t = A000032 (Lucas numbers).at n=10A023861
- [ (4th elementary symmetric function of P(n))/(3rd elementary symmetric function of P(n)) ], where P(n) = {1, p(1), p(2), ..., p(n-1)}, p(0) = 1.at n=46A024536
- a(n) = [ 2nd elementary symmetric function of {log(k)} ], k = 2,3,...,n.at n=19A025202
- Index of 7^n within the sequence of the numbers of the form 5^i*7^j.at n=42A025723
- a(n) = sum of the numbers between the two n's in A026354.at n=30A026357
- Coordination sequence T1 for Zeolite Code SAT.at n=24A027373