Properties of the Number 275

Two Hundred Seventy-Five

Basics

Value: 274 → 275 → 276

Parity: odd

Prime: No

Previous Prime: 271

Next Prime: 277

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 5 ² × 11

Divisors: 1, 5, 11, 25, 55, 275

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100010011

Octal: 423

Duodecimal: 1AB

Hexadecimal: 113

Square: 75625

Square Root: 16.583123951777

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Completely multiplicative with a(prime(k)) = prime(k+1). A3961

a(n) = n*(n+3)/2. A96

Total number of parts in all partitions of n. Also, sum of largest parts of all partitions of n. A6128

Number of rooted trees with n vertices in which vertices at the same level have the same degree. A3238

Triangle formed from even-numbered columns of triangle of expansions of powers of·in terms of Chebyshev polynomials U_n(x). A39599

Numbers having only prime factors of form prime(prime); a(1)=1. A76610

Catalan's triangle T(n,k) (read by rows): each term is the sum of the entries above and to the left, i.e., T(n,k) = ∑_j=0..k T(n-1,j). A9766

Multiples of 5: a(n) = 5·n. A8587

Catalan triangle (with 0's) read by rows. A53121

Numbers whose digits are primes. A46034

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