276
domain: N
Properties
Digital Properties
- Digit Count
- 3
- Digit Sum
- 15
- Digital Root
- 6
- Palindromic Number
- no
- Repdigit
- no
- Automorphic
- no
- Kaprekar Number
- no
- Multiplicative Persistence
- 3
Divisibility
- Divisor Count
- 12
- Divisor Sum
- 672
- Proper Divisor Sum (Aliquot Sum)
- 396
- Abundant Number
- yes
- Perfect Number
- no
- Deficient Number
- no
- Highly Composite
- no
- Weird Number
- no
- Untouchable Number
- yes
- Primitive Abundant
- no
Derived Values
- Euler's Totient
- 88
- Möbius Function
- 0
- Radical
- 138
- 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
- yes
- Perfect Square
- no
- Perfect Cube
- no
- Pentagonal Number
- no
- Hexagonal Number
- yes
- 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
- 16
- Smith 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
Names
- German
- zweihundertsechsundsiebzig· ordinal: zweihundertsechsundsiebzigste
- English
- two hundred seventy-six· ordinal: two hundred seventy-sixth
- Spanish
- doscientos setenta y seis· ordinal: 276º
- French
- deux cent soixante-seize· ordinal: deux cent soixante-seizième
- Italian
- duecentosettantasei· ordinal: 276º
- Latin
- ducenti septuaginta sex· ordinal: 276.
- Portuguese
- duzentos e setenta e seis· ordinal: 276º
Appears in sequences
- Numbers k such that k^4 + 1 is prime.at n=40A000068
- Hexagonal numbers: a(n) = n*(2*n-1).at n=12A000384
- Sum of 5th powers: 0^5 + 1^5 + 2^5 + ... + n^5.at n=3A000539
- Moser-de Bruijn sequence: sums of distinct powers of 4.at n=22A000695
- Expansion of Product_{k>=0} (1 + x^(2k+1)); number of partitions of n into distinct odd parts; number of self-conjugate partitions; number of symmetric Ferrers graphs with n nodes.at n=64A000700
- Number of compositions of n into 3 ordered relatively prime parts.at n=29A000741
- Number of switching networks with AG(n,2) acting on the domain and GL(3,2) acting on the range.at n=2A000881
- Genus of complete graph on n nodes.at n=60A000933
- Numbers that are divisible by at least three different primes.at n=50A000977
- Numbers n such that the sum of the squares of n consecutive positive odd numbers x^2 + (x+2)^2 + ... + (x+2n-2)^2 = k^2 for some integer k. The least values of x and k for each n are in A056131 and A056132, respectively.at n=20A001033
- Numbers that are the sum of 2 successive primes.at n=32A001043
- Dimensions (sorted, with duplicates removed) of real simple Lie algebras.at n=57A001066
- Number of ways of making change for n cents using coins of 1, 2, 4, 12, 24, 48, 96, 120 cents (based on English coinage of 1939).at n=43A001364
- Number of ways of making change for n cents using coins of 1, 2, 4, 12, 24, 48, 96, 120 cents (based on English coinage of 1939).at n=42A001364
- Expansion of 1/(1-x)^2/(1-x^2)/(1-x^6)/(1-x^12)/(1-x^24)/(1-x^48)/(1-x^60).at n=21A001365
- a(n) = 1^n + 2^n + 3^n.at n=5A001550
- Nearest integer to 2*n*log(n).at n=38A001618
- v-pile positions of the 4-Wythoff game with i=3.at n=52A001968
- Nearest integer to n^2/8.at n=47A001971
- Expansion of 1/((1-x)^2*(1-x^4)) = 1/( (1+x)*(1+x^2)*(1-x)^3 ).at n=44A001972