Properties of the Number -15683

Fifteen Thousand Six Hundred Eighty-Three

Basics

Value: -15684 → -15683 → -15682

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 15683

Divisors: 1, 15683

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110101000011

Octal: -36503

Duodecimal: -90AB

Hexadecimal: -3d43

Square: 245956489

Square Root: 125.23178510266473

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

Primes (lower end) with record gaps to the next consecutive prime: primes p(k) where p(k+1) - p(k) exceeds p(j+1) - p(j) for all j < k. A2386

a(0)=2; for n>=1, a(n) = smallest prime p such that there is a gap of exactly 2n between p and next prime, or -1 if no such prime exists. A230

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000101. A260001

Primes for which the six closest primes are smaller. A75038

Primes for which the seven closest primes are smaller. A75043

Primes for which the eight closest primes are smaller. A75050

Primes for which the four closest primes are smaller. A75030

Primes for which the five closest primes are smaller. A75037

Smallest prime for which the n closest primes are smaller. A75051

Primes of the form 2·p+1 where p is prime and p+1 is squarefree. A153209