Properties of the Number -109721

One Hundred Nine Thousand Seven Hundred Twenty-One

Basics

Value: -109722 → -109721 → -109720

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 109721

Divisors: 1, 109721

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11010110010011001

Octal: -326231

Duodecimal: -535B5

Hexadecimal: -1ac99

Square: 12038697841

Square Root: 331.2416036671722

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 (5+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 1 3 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 1 3 6 or 7. A252310

Primes p that set a new record for the size of the smallest b > 1 such that b^p-1 == 1 (mod p²). A287147

Number of nondecreasing -n..n vectors of length 4 whose dot product with some other -n..n vector equals 4. A226343