Properties of the Number 66697

Sixty-Six Thousand Six Hundred Ninety-Seven

Basics

Value: 66696 → 66697 → 66698

Parity: odd

Prime: Yes

Previous Prime: 66683

Next Prime: 66701

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 66697

Divisors: 1, 66697

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000010010001001

Octal: 202211

Duodecimal: 32721

Hexadecimal: 10489

Square: 4448489809

Square Root: 258.2576233143951

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

Number of non-crossing multiset partitions of normal multisets of size n. A324171

Beastly primes (version 2): primes containing 666 as a substring. A131645

Least prime in A023200 (lesser of 4-twins) such that the distance to the next 4-twin is 6·n. A52351

Primes having only {6, 7, 9} as digits. A261184

Primes with minimal digit = 6. A106106

a(n) = a(n-1) + a(n-2) + R(a(n-3)) + R(a(n-4)) where a(1)=a(2)=a(3)=a(4)=1 and R(n) (A004086) is the reverse of n. A74864

Let p run through the primes; write p in base 10 and then interpret it in base 128 getting a number q; if q is prime then adjoin q to the sequence. A90718

Terms k of A112998 such that k+2 is nonsquarefree. A328160

Primes having only {0, 6, 7, 9} as digits. A386083

Beastly primes (version 1): either 666 followed by 0's and a 1 or 7 at the right end or a palindrome with 666 in the center, 0's surrounding these digits, and 1 or 7 at both ends. A186086