Properties of the Number -766480

Seven Hundred Sixty-Six Thousand Four Hundred Eighty

Basics

Value: -766481 → -766480 → -766479

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 5 × 11 × 13 × 67

Divisors: 1, 2, 4, 5, 8, 10, 11, 13, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111011001000010000

Octal: -2731020

Duodecimal: -30B694

Hexadecimal: -bb210

Square: 587491590400

Square Root: 875.4884351035141

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

Binomial coefficients binomial(2·n-3,4). A53126

Doubly pentagonal numbers: a(n) = n*(3·n-2)*(3·n-1)*(3·n+1)/8. A232713

Triangle, read by rows, where T(n,k) = C(2^k + n-k-1, n-k). A137153

Square table read by downward antidiagonals where T(n,k) = binomial(n+2^k-1,n). A92056

Binomial coefficients C(67,n). A17783

Binomial coefficients C(n,63). A17727

Triangle such that the g.f. of column k equals 1/(1-x)^k³ for k>=0, as read by rows. A230049

Number of intersections of diagonals in the interior of a regular p-gon where p is the n-th prime. A262248

Number of ways to put n indistinguishable balls into n³ distinguishable boxes. A165984

Numbers whose square can be written as sum of at least 3 consecutive triangular numbers in two ways. A256000