862
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 16
- Digital Root
- 7
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 4
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 1296
- Proper Divisor Sum (Aliquot Sum)
- 434
- 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
- 430
- Möbius Function
- 1
- Radical
- 862
- 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
- 41
- Smith 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
Names
- German
- achthundertzweiundsechzig· ordinal: achthundertzweiundsechzigste
- English
- eight hundred sixty-two· ordinal: eight hundred sixty-second
- Spanish
- ochocientos sesenta y dos· ordinal: 862º
- French
- huit cent soixante-deux· ordinal: huit cent soixante-deuxième
- Italian
- ottocentosessantadue· ordinal: 862º
- Latin
- octingenti sexaginta duo· ordinal: 862.
- Portuguese
- oitocentos e sessenta e dois· ordinal: 862º
Appears in sequences
- Central polygonal numbers (the Lazy Caterer's sequence): n(n+1)/2 + 1; or, maximal number of pieces formed when slicing a pancake with n cuts.at n=41A000124
- Boustrophedon transform of 1 & primes: 1,2,3,5,7,...at n=6A000732
- Number of connected functions (or mapping patterns) on n unlabeled points, or number of rings and branches with n edges.at n=8A002861
- Numbers that are the sum of 12 positive 5th powers.at n=40A003357
- Numbers that are the sum of 8 positive 6th powers.at n=11A003364
- Numbers that are a sum of distinct positive cubes in more than one way.at n=22A003998
- Number of n X 3 binary matrices under row and column permutations and column complementations.at n=11A006381
- Numbers whose sum of divisors is a square.at n=38A006532
- Inverse Moebius transform of triangular numbers.at n=40A007437
- Coordination sequence T2 for Zeolite Code DOH.at n=18A008079
- Coordination sequence T1 for Zeolite Code MOR.at n=19A008182
- Coordination sequence T5 for Zeolite Code MTT.at n=18A008193
- Expansion of (1+x^5)/((1-x)*(1-x^2)*(1-x^3)*(1-x^4)).at n=37A008766
- Coordination sequence T3 for Zeolite Code RSN.at n=19A009887
- Coordination sequence T3 for Zeolite Code RTE.at n=20A009892
- Coordination sequence for squashed {D_5}* lattice, perhaps the smallest example of a "non-superficial" lattice.at n=4A010024
- A B_2 sequence: a(n) = least value such that sequence increases and pairwise sums of distinct elements are all distinct.at n=26A011185
- Number of directed animals on a certain lattice.at n=5A011791
- a(n) = floor(n*(n-1)*(n-2)/16).at n=25A011898
- Numbers k such that phi(k) + 4 | sigma(k + 4).at n=38A015783