Properties of the Number -7903

Nine Hundred Three

Basics

Value: -7904 → -7903 → -7902

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 1129

Divisors: 1, 7, 1129, 7903

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -1111011011111

Octal: -17337

Duodecimal: -46A7

Hexadecimal: -1edf

Square: 62457409

Square Root: 88.89881888979178

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

a(n) = (-n³ + 9n² - 5n + 3)/3. A161702

Number of (s,2) gates. A37294

The number of seconds after midnight corresponding to prime time primes, i.e., primes of the form HMMSS with primes H < 24 and MM, SS < 60, cf. A295013. A295003

List of connected graphs that are squares, encoded as in A076184. A382194

Numerators of convergents to A058914. A48817

a(n) = 3·a(n-1) - 2·a(n-2) + 2·a(n-3) - 4·a(n-4) + 2·a(n-5), where a(0) = 2, a(1) =3, a(2) = 6, a(3)=13, a(4) = 29. A287128

Numerators of continued fraction convergents to sqrt(814). A42570

Numbers in increasing order such that successive sums are squares and successive differences are squarefree. A90956

Triangle of coefficients of polynomials v(n,x) jointly generated with A209765; see the Formula section. A209766

Number of partitions of n such that m(2) = m(3), where m = multiplicity. A240064