1062
domain: N
Properties
Digital Properties
- Digit Count
- 4
- Digit Sum
- 9
- Digital Root
- 9
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 1
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 2340
- Proper Divisor Sum (Aliquot Sum)
- 1278
- 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
- 348
- Möbius Function
- 0
- Radical
- 354
- Omega Function (Ω)
- 4
- Little Omega Function (ω)
- 3
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
- yes
- Narcissistic Number
- no
- Collatz Steps
- 124
- 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
- Number of partitions into one kind of 1's, two kinds of 2's, and three kinds of 3's.at n=20A002597
- Number of bipartite partitions.at n=9A002767
- a(n) = n^2 written backwards.at n=50A002942
- Numbers that are the sum of 8 positive 5th powers.at n=34A003353
- Some permutation of digits is a cube.at n=43A007939
- Noncubes such that some permutation of digits is a cube.at n=33A007940
- Coordination sequence T5 for Zeolite Code NON.at n=20A008216
- Coordination sequence for E_6 lattice.at n=2A008399
- Expansion of (1+x)/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)).at n=38A008762
- Coordination sequence T2 for Zeolite Code AHT.at n=22A009867
- a(n) = floor( n*(n-1)*(n-2)/10 ).at n=23A011892
- a(n) = floor( n*(n-1)*(n-2)/28 ).at n=32A011910
- Expansion of 1/(1-x^2-x^3-x^4-x^5-x^6).at n=18A013983
- a(n) = Sum_{m=1..n} Sum_{k=1..m} prime(k).at n=12A014148
- Average of twin prime pairs.at n=38A014574
- Number of partitions of n into its divisors that are powers of primes (A000961) with at least one part of size 1.at n=69A014650
- Number of partitions of n in its prime divisors with at least one part of size 1.at n=69A014652
- Coordination sequence T5 for Zeolite Code TER.at n=22A016437
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite RSN = RUB-17 K4Na12[Zn8Si28O72].18H2O starting with a T2 atom.at n=10A019219
- (n-2)nd Catalan number is congruent to n/3 mod n.at n=41A019467