Properties of the Number -7664

Six Hundred Sixty-Four

Basics

Value: -7665 → -7664 → -7663

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 479

Divisors: 1, 2, 4, 8, 16, 479, 958, 1916, 3832, 7664

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -1110111110000

Octal: -16760

Duodecimal: -4528

Hexadecimal: -1df0

Square: 58736896

Square Root: 87.54427451295716

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

The infinite Seidel matrix H read by antidiagonals upwards; H = (H(n,k): n,k >= 0). A236935

G.f. A(x) satisfies x = (1 + 4·A(x)) * A(A(x)). A88675

Triangle of Euler-Bernoulli or Entringer numbers read by rows: T(n,k) is the number of down-up permutations of n+1 starting with k+1. A8282

Number of partitions of n for which 2*(number of distinct parts) <= (number of parts). A237363

Triangle of Euler-Bernoulli or Entringer numbers read by rows. A8281

Boustrophedon version of triangle of Euler-Bernoulli or Entringer numbers read by rows. A8280

Triangle of Euler-Bernoulli or Entringer numbers. A10094

Positive numbers that are not the sum of two squares and a positive Fibonacci number. A115176

Numbers k such that A136675(k) is prime. A136683

Number of groups of order prime(n)⁶. A232106