Properties of the Number 66973

Sixty-Six Thousand Nine Hundred Seventy-Three

Basics

Value: 66972 → 66973 → 66974

Parity: odd

Prime: Yes

Previous Prime: 66959

Next Prime: 66977

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 66973

Divisors: 1, 66973

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010110011101

Octal: 202635

Duodecimal: 32911

Hexadecimal: 1059d

Square: 4485382729

Square Root: 258.79142180528316

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 of the form 2n² - 5. A201713

Prime numbers that are the sum of consecutive prime numbers with the final digit 1 (primes in A030430). A129077

a(n) is the first prime p such that the sum of 2·n consecutive primes starting at p is (q-1)*q where q is prime, or 0 if there is no such p. A338990

Primes p(x) satisfying the following conditions: (a) A082882(x)=1; (b) {p(x),p(x+1)} are not twin primes; (c) values of A075860(j) for j composites between these two non-twin primes are identical. A82883

Primes p such that p¹⁰ - 1 has 256 divisors. A342066

Every suffix is prime. A33664

a(n) = φ(binomial(2n, n)). A66973

Number of (2+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7. A252642