4762
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 19
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 7146
- Proper Divisor Sum (Aliquot Sum)
- 2384
- 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
- 2380
- Möbius Function
- 1
- Radical
- 4762
- 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
- 77
- 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
- Numbers that are the sum of 9 positive 7th powers.at n=22A003376
- a(n) = 1 + a(floor(n/2))*a(ceiling(n/2)) for n > 1, a(1) = 4.at n=5A005511
- Coordination sequence T4 for Zeolite Code DAC.at n=44A008070
- Coordination sequence T3 for Zeolite Code DDR.at n=43A008073
- Coordination sequence T5 for Zeolite Code VET.at n=42A009906
- Self-convolution of composite numbers.at n=18A023648
- a(n) = 3*n^2 - 7*n + 6.at n=41A027599
- Numbers k in which the digits of k^2 appear.at n=10A029774
- Numbers k such that k and k^2 have the same set of digits.at n=5A029793
- Numbers whose base-4 representation contains exactly two 1's and four 2's.at n=17A045099
- Integers n > 196 such that the 'Reverse and Add!' trajectory of n joins the trajectory of 196.at n=39A063049
- Centered square numbers: a(n) = 4*n^2 + 4*n + 2.at n=34A069894
- Triangle of numbers relating two sequences A073155 and A073156.at n=28A073153
- Triangle of numbers relating two sequences (A073157 and A073155).at n=27A073154
- Leftmost column sequence of triangle A073153.at n=7A073155
- Number of distinct primes in the numerator of the 2^n sums generated from the set 1, 1/2, 1/3, ..., 1/n.at n=15A075189
- Smallest squarefree integer k such that Q(sqrt(k)) has class number n.at n=21A081363
- Smallest number of the form n^k +1 with the prime signature of n, or 0 if no such number exists.at n=68A087318
- Number of intersections inside an equilateral triangular figure formed by the straight line segments mutually connecting all vertices and all points that divide the sides into n equal parts. If three or more lines meet at an interior point this intersection is counted only once.at n=7A092866
- Triangle read by rows: T(n,k) is the number of noncrossing trees with n edges and k leaves at level 1.at n=48A101371