262
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 10
- Digital Root
- 1
- Palindromic Number
- yes
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 2
Divisibility
- Divisor Count
- 4
- Divisor Sum
- 396
- Proper Divisor Sum (Aliquot Sum)
- 134
- Abundant Number
- no
- Perfect Number
- no
- Deficient Number
- yes
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- yes
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 130
- Möbius Function
- 1
- Radical
- 262
- 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
- 29
- 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
- zweihundertzweiundsechzig· ordinal: zweihundertzweiundsechzigste
- English
- two hundred sixty-two· ordinal: two hundred sixty-second
- Spanish
- doscientos sesenta y dos· ordinal: 262º
- French
- deux cent soixante-deux· ordinal: deux cent soixante-deuxième
- Italian
- duecentosessantadue· ordinal: 262º
- Latin
- ducenti sexaginta duo· ordinal: 262.
- Portuguese
- duzentos e sessenta e dois· ordinal: 262º
Appears in sequences
- a(n) = floor(n^(3/2)).at n=41A000093
- Number of rooted trees with n nodes and a single labeled node; pointed rooted trees; vertebrates.at n=7A000107
- Number of partitions of n, with two kinds of 1, 2, 3 and 4.at n=9A000710
- A sequence satisfying (a(2n+1) + 1)^3 = Sum_{k=1..2n+1} a(k)^3.at n=3A000955
- Number of nonequivalent dissections of an (n+2)-gon by nonintersecting diagonals up to rotation and reflection.at n=7A001004
- Numbers k such that 3^k, 3^(k+1) and 3^(k+2) have the same number of digits.at n=12A001682
- 2 together with primes multiplied by 2.at n=32A001747
- Numbers k such that phi(2k+1) < phi(2k).at n=1A001837
- Numbers congruent to {2, 4, 8, 16} (mod 20).at n=52A002081
- Palindromes in base 10.at n=35A002113
- Numbers k for which the rank of the elliptic curve y^2 = x^3 - k is 2.at n=34A002154
- Period of decimal expansion of 1/(n-th prime) (0 by convention for the primes 2 and 5).at n=55A002371
- Number of polygonal graphs.at n=18A002560
- Rotatable partitions.at n=24A002722
- Problimes (first definition).at n=48A003066
- a(n) = A000201(A003234(n)) + n.at n=37A003248
- a(n) = A001950(A003234(n)) + 1.at n=26A003249
- Numbers that are the sum of 7 positive 4th powers.at n=22A003341
- Numbers that are the sum of 12 positive 4th powers.at n=32A003346
- Numbers that are the sum of 10 positive 6th powers.at n=4A003366