Properties of the Number -4242

Two Hundred Forty-Two

Basics

Value: -4243 → -4242 → -4241

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 101

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 101, 202

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000010010010

Octal: -10222

Duodecimal: -2556

Hexadecimal: -1092

Square: 17994564

Square Root: 65.13063795173512

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

Staircase of coefficients of polynomials used for column g.f.s of triangle A060924. A61187

Triangle, read by rows, equal to the matrix inverse of A056241, which is formed from the even-indexed trinomial coefficients. A104027

Doublets: base-10 representation is the juxtaposition of two identical strings. A20338

Number of partitions of n in which the greatest part is 10. A26816

Number of integer partitions of n whose weak run-sums cover an initial interval of nonnegative integers. A353863

Number of ways of writing n as the sum of 7 triangular numbers. A226252

Numbers n such that n is both the average of some twin prime pair p, q (q = p+2) (i.e., n = p+1 = q-1) and is also the average of the prime before p and the prime after q. A256753

Numbers which are divisible by prime(d) for all digits d in their decimal representation. A256786

a(n) = n*(11·n-5)/2. A226492

Number T(n,k) of ordered set partitions of [n] into k blocks such that equal-sized blocks are ordered with increasing least elements; triangle T(n,k), n>=0, 0<=k<=n, read by rows. A285824