Properties of the Number 68899

Sixty-Eight Thousand Eight Hundred Ninety-Nine

Basics

Value: 68898 → 68899 → 68900

Parity: odd

Prime: Yes

Previous Prime: 68897

Next Prime: 68903

Digit Sum: 40

Digital Root: 4

Palindrome: No

Factorization: 68899

Divisors: 1, 68899

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 10000110100100011

Octal: 206443

Duodecimal: 33A57

Hexadecimal: 10d23

Square: 4747072201

Square Root: 262.48619011292766

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 having only {6, 8, 9} as digits. A385800

Primes with integer arithmetic mean of digits = 8 in base 10. A285228

Primes with digit sum = 40. A106773

Primes having only {0, 6, 8, 9} as digits. A53580

Second term of weak prime septet: p(m)-p(m-1) < 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). A54835

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

Second term of weak prime sextet: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3). A54829

Primes of the form prime(n)² - prime(n+1) - 1. A97938

Primes of the form 10n² + 9. A201711

Smallest n-digit integer·such that x + A007954(x) has n+1 digits, where A007954(x) is the product of decimal digits of x. A243219