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Properties of the Number 330

Three Hundred Thirty

Basics

Value: 329 → 330 → 331

Parity: even

Prime: No

Previous Prime: 317

Next Prime: 331

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 5 × 11

Divisors: 1, 2, 3, 5, 6, 10, 11, 15, 22, 30

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 101001010

Octal: 512

Duodecimal: 236

Hexadecimal: 14a

Square: 108900

Square Root: 18.16590212458495

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

Pascal's triangle read by rows: C(n,k) = binomial(n,k) = n!/(k!*(n-k)!), 0 <= k <= n. A7318
Pentagonal numbers: a(n) = n*(3·n-1)/2. A326
Binomial coefficient binomial(n,4) = n*(n-1)*(n-2)*(n-3)/24. A332
Denominator of Bernoulli number Bn. A27642
The squarefree numbers ordered lexicographically by their prime factorization (with factors written in decreasing order). a(n) = ∏k in I prime(k+1), where I is the set of indices of nonzero binary digits in n = ∑k in I 2k. A19565
Numbers in base 4. A7090
Generalized pentagonal numbers: m*(3·m - 1)/2, m = 0, +-1, +-2, +-3, .... A1318
Number of compositions of n with k parts, T(n, k) = binomial(n-1, k-1) for n, k >= 1 and T(n, 0) = 0n, triangle read by rows for n >= 0 and 0 <= k <= n. A97805
Numbers that are the sum of 2 successive primes. A1043
Denominators of Bernoulli numbers B2n. A2445