Properties of the Number 68897

Sixty-Eight Thousand Eight Hundred Ninety-Seven

Basics

Value: 68896 → 68897 → 68898

Parity: odd

Prime: Yes

Previous Prime: 68891

Next Prime: 68899

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 68897

Divisors: 1, 68897

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000110100100001

Octal: 206441

Duodecimal: 33A55

Hexadecimal: 10d21

Square: 4746796609

Square Root: 262.4823803610444

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 p such that the polynomial x² + x + p generates only primes for x = 0, ..., 4. A187057

Initial primes of 5 consecutive primes with consecutive gaps 2, 4, 6, 8. A190814

Initial primes of 6 consecutive primes with consecutive gaps 2,4,6,8,10. A190817

Primes p such that the polynomial x² + x + p generates only primes for x = 1..5. A187058

Prime numbers p such that x² + x + p produces primes for x = 0..5 but not x = 6. A210364

First term of weak prime sextet: p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3) < p(m+5)-p(m+4). A54828

Primes with digit sum = 38. A106772

First term of weak prime septet: p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3) < p(m+5)-p(m+4) < p(m+6)-p(m+5). A54834

Primes that do not divide any term of the Lucas 5-step sequence A074048. A106301

Primes p such that p - d and p + d are also primes, where d is the smallest nonzero digit of p. A245878