Properties of the Number -4142

One Hundred Forty-Two

Basics

Value: -4143 → -4142 → -4141

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 19 × 109

Divisors: 1, 2, 19, 38, 109, 218, 2071, 4142

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000000101110

Octal: -10056

Duodecimal: -2492

Hexadecimal: -102e

Square: 17156164

Square Root: 64.35837163881635

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

a(n) = n concatenated with n + 1. A1704

Number of "cubic partitions" of n: expansion of ∏_k>0 1/((1-x^2k)²*(1-x^2k-1)) in powers of x. A2513

Positive integers k such that k²⁰ + 1 is semiprime (A001358). A105282

Number of integer partitions of n that are empty, or have smallest part dividing all the others, but do not have greatest part divisible by all the others. A343345

Numbers whose decimal expansion is a concatenation of 2 consecutive increasing nonnegative numbers. A127421

2-Fubini numbers. A232472

Numbers k such that A119682(k) is prime. A136682

Numbers k such that p1=2k+3, p2=4k+5 and p3=6k+7 are all prime. A105652

Rounded variance of the first n primes, for n > 1. A273462

Pair up the numbers. A30655