Properties of the Number -6937

Nine Hundred Thirty-Seven

Basics

Value: -6938 → -6937 → -6936

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 7 × 991

Divisors: 1, 7, 991, 6937

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101100011001

Octal: -15431

Duodecimal: -4021

Hexadecimal: -1b19

Square: 48121969

Square Root: 83.28865468957942

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

Numbers m such that m divides ∑_{k = 1..m} A000005(k). A50226

Numbers k such that the digits of σ(k) are a permutation of those of k, in base 10. A115920

Numbers n such that n!! + 2² is prime. A76186

a(n) = 6·n² + 1. A227776

The 300-degree spoke (or ray) of a hexagonal spiral of Ulam. A244804

Numbers k such that 9·2^k + 1 is prime. A2256

Least m such that the average number of divisors of all integers from 1 to m equals n, or 0 if no such number exists. A85567

Irregular table read by rows, T(n, k) is the rank of the k-th Seidel permutation of {1,...,n}, permutations sorted in lexicographical order. A347600

Determinant of M(n), the n X n matrix defined by m(i,i) = 1, m(i,j) = i-j. A79034

Number of (w,x,y) with all terms in {0,...,n} and w>floor((x+y)/3). A212974