Properties of the Number -330

Three Hundred Thirty

Basics

Value: -331 → -330 → -329

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

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

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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

Triangle read by rows: lower triangular matrix which is inverse to Pascal's triangle (A007318) regarded as a lower triangular matrix. A130595

T(n,k) are coefficients used for power series inversion (sometimes called reversion), n >= 0, k = 1..A000041(n), read by rows. A111785

Triangle T(n,k) read by rows: coefficients in the recurrence of sequences which equal their n-th differences. A135356

Riordan array (1/(1+x), x/(1+x)²), inverse array is A039599. A129818

Triangle T(n,k) of arctangent numbers: expansion of arctan(x)ⁿ/n!. A49218

Nonzero elements in Klee's identity Sum[(-1)^k binomial[n,k]binomial[n+k,m],{k,0,n}] == (-1)ⁿ binomial[n,m-n]. A92865

Riordan array (1/(1+x)³,x/(1+x)²). A109954

Expansion of ∏_k>0 ((1-x^5k-2) * (1-x^5k-3)/((1-x^5k-1) * (1-x^5k-4)))³ in powers of x. A285443

Triangle read by rows: T(n,k) (0 <= k <= n) = χ(k)*binomial(n,k), where χ(k) = 1,-1,0 according as k == 0,1,2 mod 3. A225682

Expansion of ∏_k>=1 (1 - x^k)^sigma₂(k). A288389