Properties of the Number 68807

Sixty-Eight Thousand Eight Hundred Seven

Basics

Value: 68806 → 68807 → 68808

Parity: odd

Prime: No

Previous Prime: 68791

Next Prime: 68813

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 83 × 829

Divisors: 1, 83, 829, 68807

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000110011000111

Octal: 206307

Duodecimal: 3399B

Hexadecimal: 10cc7

Square: 4734403249

Square Root: 262.3108842575923

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

Composite and every divisor (except 1) contains the digit 8. A62678

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically. A207519

Semiprimes that are also the sums of two, three and four successive semiprimes. A370685

Number of nX7 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically. A207518

Number of 4Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically. A207520

Primes whose sum of digits is a power of 2. A68807