Properties of the Number -6694

Six Hundred Ninety-Four

Basics

Value: -6695 → -6694 → -6693

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 3347

Divisors: 1, 2, 3347, 6694

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1101000100110

Octal: -15046

Duodecimal: -3A5A

Hexadecimal: -1a26

Square: 44809636

Square Root: 81.81686867633104

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

Expansion of ∑_k>=0 x^k² / ∏_j=1..k (1 + j·x^j). A306707

sech(arctan(x)+sin(x))=1-4/2!*x²+104/4!*x⁴-6694/6!*x⁶... A12984

Numbers that are the sum of 9 positive 7th powers. A3376

Semiprimes with semiprime digits (digits 4, 6, 9 only). A107342

a() = 1,3,... [ A037257 ], differences = 2,... [ A037258 ] and 2nd differences [ A037259 ] are disjoint and monotonic; adjoin next free number to 2nd differences unless it would produce a duplicate in which case ignore. A37257

a(n) = Frobenius number for 3 successive primes = F[p(n), p(n+1), p(n+2)]. A138989

Numbers k such that the sum of the first k primes is a square. A33997

Numbers n such that there are equal numbers of 0's and 1's in first n digits of binary representation of π. A39624

Conjectured smallest Sierpiński numbers of the second kind S, base b=2,3,4,5,..., where S·bⁿ+1 is composite for all n>=1 and gcd(S+1, b-1) = 1. A123159

Numbers that are the sum of nine fourth powers in six or more ways. A345590