Properties of the Number 20143

Twenty Thousand One Hundred Forty-Three

Basics

Value: 20142 → 20143 → 20144

Parity: odd

Prime: Yes

Previous Prime: 20129

Next Prime: 20147

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 20143

Divisors: 1, 20143

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 100111010101111

Octal: 47257

Duodecimal: B7A7

Hexadecimal: 4eaf

Square: 405740449

Square Root: 141.9260370756543

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 at which the difference pattern X42Y (X and Y >= 6) occurs in A001223. A52164

Primes p2 such that p1³ + p2² is an average of twin primes and p1 < p2 are consecutive primes. A138755

Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions {m*(m+1)/2, m>=0} and then taking partial sums, starting with all 1's in row 0. A152405

Primes p such that x⁹ = 2 has a solution mod p, but x^9² = 2 has no solution mod p. A70185

Smallest k such that A073734(k) = n, where A073734 is the GCD of consecutive terms of the EKG sequence A064413. A382222

Primes p such that x²⁷ = 2 has no solution mod p, but x⁹ = 2 has a solution mod p. A59354

Primes p such that x⁵⁴ = 2 has no solution mod p, but x¹⁸ = 2 has a solution mod p. A59666

Primes whose digits can be arranged in increasing cyclic order - to form a substring of 123456789012345678901234567890... A68710

Five-digit primes which use each of the decimal digits 0 through 4 exactly once. A109176

Primes formed by rearranging five consecutive decimal digits (avoiding leading 0). A156119