2062
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 3096
- Proper Divisor Sum (Aliquot Sum)
- 1034
- 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
- 1030
- Möbius Function
- 1
- Radical
- 2062
- 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
- 37
- 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
- Number of partitions of n into at most 5 parts.at n=42A001401
- Numbers k such that phi(2k+1) < phi(2k).at n=26A001837
- Expansion of 1 / Sum_{n=-oo..oo} x^(n^2).at n=16A004402
- Number of binary vectors of length n+1 beginning with 0 and containing just 1 singleton.at n=15A006367
- 'Eban' numbers (the letter 'e' is banned!).at n=36A006933
- Coordination sequence T7 for Zeolite Code MFI.at n=29A008170
- Coordination sequence T5 for Zeolite Code MTT.at n=28A008193
- Coordination sequence T6 for Zeolite Code CON.at n=32A009873
- a(n) = floor(binomial(n,6)/6).at n=17A011852
- Composite numbers that are equal to the sum of the first k composites for some k.at n=41A013921
- Number of overpartitions of n: an overpartition of n is an ordered sequence of nonincreasing integers that sum to n, where the first occurrence of each integer may be overlined.at n=16A015128
- Numbers k such that the continued fraction for sqrt(k) has period 48.at n=11A020387
- Place where n-th 1 occurs in A007337.at n=48A022777
- Number of partitions of n into 5 unordered relatively prime parts.at n=42A023025
- a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n+1-k), where k = [ (n+1)/2 ], s = A023532, t = (primes).at n=41A024377
- a(n) = Sum_{k=1..n} floor((n/k)*floor(n/k)).at n=35A024921
- Numbers whose least quadratic nonresidue (A020649) is 7.at n=30A025023
- Duplicate of A024377.at n=41A025069
- s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = (primes).at n=40A025077
- [ Sum{(log(j)-log(i))^2} ], 2 <= i < j <= n.at n=55A025206