802
domain: N
Properties
Digital Properties
- Digit Count
- 3
- 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
- 1206
- Proper Divisor Sum (Aliquot Sum)
- 404
- 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
- 400
- Möbius Function
- 1
- Radical
- 802
- 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
- 20
- 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
- achthundertzwei· ordinal: achthundertzweiste
- English
- eight hundred two· ordinal: eight hundred second
- Spanish
- ochocientos dos· ordinal: 802º
- French
- huit cent deux· ordinal: huit cent deuxième
- Italian
- ottocentodue· ordinal: 802º
- Latin
- octingenti duo· ordinal: 802.
- Portuguese
- oitocentos e dois· ordinal: 802º
Appears in sequences
- a(n) = a(n-1)^2 + (a(n-2) + 1)*(a(n-1) - a(n-2)^2).at n=3A000472
- Number of n-node unrooted quartic trees; number of n-carbon alkanes C(n)H(2n+2) ignoring stereoisomers.at n=13A000602
- Numbers beginning with letter 'e' in English.at n=15A000873
- Numbers that are the sum of 4 cubes in more than 1 way.at n=50A001245
- Smallest number of stones in Tchoukaillon (or Mancala, or Kalahari) solitaire that make use of n-th hole.at n=49A002491
- Numbers that are the sum of 11 positive 6th powers.at n=13A003367
- Sequence and first differences (A030124) together list all positive numbers exactly once.at n=35A005228
- Number of points on surface of tetrahedron; coordination sequence for sodalite net (equals 2*n^2+2 for n > 0).at n=20A005893
- Add 7, then reverse digits.at n=13A007398
- a(n) is the smallest positive number such that the sum of A001032(n) consecutive squares starting with a(n)^2 is a square.at n=45A007475
- Coordination sequence T1 for Zeolite Code LEV.at n=21A008127
- Coordination sequence T6 for Zeolite Code NES.at n=18A008210
- Coordination sequence T2 for Zeolite Code SGT.at n=18A008230
- Coordination sequence T3 for Zeolite Code THO.at n=20A008240
- Coordination sequence for body-centered tetragonal lattice.at n=10A008527
- Molien series for Weyl group E_7.at n=32A008583
- Coordination sequence T4 for Zeolite Code CON.at n=20A009871
- a(0) = 1, a(n) = 32*n^2 + 2 for n > 0.at n=5A010021
- Number of unrooted quartic trees with n (unlabeled) nodes and possessing a centroid; number of n-carbon alkanes C(n)H(2n +2) with a centroid ignoring stereoisomers.at n=12A010372
- Number of triples of different integers from [ 2,n ] with no common factors between pairs.at n=26A015620