Properties of the Number 276

Two Hundred Seventy-Six

Basics

Value: 275 → 276 → 277

Parity: even

Prime: No

Previous Prime: 271

Next Prime: 277

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 23

Divisors: 1, 2, 3, 4, 6, 12, 23, 46, 69, 92

Polygonal

Triangular: Yes

Square: No

Pentagonal: No

Hexagonal: Yes

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100010100

Octal: 424

Duodecimal: 1B0

Hexadecimal: 114

Square: 76176

Square Root: 16.61324772583615

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

Triangular numbers: a(n) = binomial(n+1,2) = n*(n+1)/2 = 0 + 1 + 2 + ... + n. A217

Expansion of ∏_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. A700

Moser-de Bruijn sequence: sums of distinct powers of 4. A695

Hexagonal numbers: a(n) = n*(2·n-1). A384

Refactorable numbers: number of divisors of k divides k. Also known as τ numbers. A33950

Numbers that are the sum of 2 successive primes. A1043

Numbers that are products of 4 primes. A14613

Nonnegative multiples of 6. A8588

a(n) = 1ⁿ + 2ⁿ + 3ⁿ. A1550

Expansion of q^1/24 * η(q) / η(q²) in powers of q. A81362