Properties of the Number -2442

Four Hundred Forty-Two

Basics

Value: -2443 → -2442 → -2441

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: Yes

Factorization: 2 × 3 × 11 × 37

Divisors: 1, 2, 3, 6, 11, 22, 33, 37, 66, 74

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100110001010

Octal: -4612

Duodecimal: -14B6

Hexadecimal: -98a

Square: 5963364

Square Root: 49.416596402423345

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: n-th row is the expansion of the polynomial (x-F1)*(x-F2)*(x-F3)*...*(x-Fn). A158472

Number of integer partitions of n in which no two distinct parts are relatively prime. A328673

a(n) = 2·n² + 8·n. A67728

Numbers k such that 3^k + 10 is prime. A217137

T(n,k) is the number of n X n 0..k arrays with row and column sums equal. A202784

Number of non-isomorphic spanning hyperforests of weight n. A304912

Palindromes with even number of digits. A56524

Generalized pentagonal numbers: a(n) = 12·n + 3·n*(n-1)/2. A151542

Decimal palindromes that are multiples of 11. A83852

Number T(n,k) of (unlabeled) rooted trees with n leaf nodes and without unary nodes such that k is the maximum of 1 and the node outdegrees; triangle T(n,k), n>=1, 1<=k<=n, read by rows. A292086