Properties of the Number -7942

Nine Hundred Forty-Two

Basics

Value: -7943 → -7942 → -7941

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 11 × 19 ²

Divisors: 1, 2, 11, 19, 22, 38, 209, 361, 418, 722

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111100000110

Octal: -17406

Duodecimal: -471A

Hexadecimal: -1f06

Square: 63075364

Square Root: 89.11789943664516

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 T(n,m)= binomial(2·n,m) + binomial(2·n,n-m) -binomial(2·n,n) read by rows. A176564

a(n) = ∑_{1 <= i < j <= n} (j-i)³. A24166

Coordination sequence for "reo-e" 3D uniform tiling. A299281

Total number of smallest parts in all partitions of n into odd parts. A92268

Heinz numbers of integer partitions with as many even parts as odd parts and as many even conjugate parts as odd conjugate parts. A350946

Concentric 22-gonal numbers. A195149

Let f(k) = exp(π*sqrt(k)); sequence gives numbers k such that ceiling(f(k)) - f(k) < 1/10³. A127022

Non-palindromic balanced numbers in base 16. A256080

a(n) = 22·n². A195323

Least positive integer k such that prime(k·n) - 1 = (prime(i·n)-1)*(prime(j·n)-1) for some integers 0 < i < j < k. A257938