Properties of the Number -16631

Sixteen Thousand Six Hundred Thirty-One

Basics

Value: -16632 → -16631 → -16630

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 16631

Divisors: 1, 16631

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000011110111

Octal: -40367

Duodecimal: -975B

Hexadecimal: -40f7

Square: 276590161

Square Root: 128.9612344854065

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

Even coefficients in expansion of e.g.f. cos(arcsin(tan(x))). A12079

exp(arcsinh(tanh(x))) = 1+x+1/2!*x²-2/3!*x³-11/4!*x⁴+16/5!*x⁵... A12253

Expansion of e.g.f.: exp(arctan(sin(x)))=1+x+1/2!*x²-2/3!*x³-11/4!*x⁴+16/5!*x⁵... A12185

cosh(arctan(sin(x)))=1+1/2!*x²-11/4!*x⁴+301/6!*x⁶-16631/8!*x⁸... A12192

Start of a string of exactly 2 consecutive (but disjoint) pairs of twin primes. A35790

Numbers whose least quadratic nonresidue (A020649) is 17. A25026

Smallest of four consecutive primes whose sum is a square. A206280

Primes p for which exactly four bases b with 1 < b < p exist such that p is a base b Wieferich prime. A255207

Primes p with p + 2 and prime(p) - 2 both prime. A236467

a(1) = 2; a(n + 1) = smallest prime > a(n) such that a(n + 1) - a(n) is the product of 7 primes. A285692