Properties of the Number -77813

Seventy-Seven Thousand Eight Hundred Thirteen

Basics

Value: -77814 → -77813 → -77812

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 77813

Divisors: 1, 77813

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -10010111111110101

Octal: -227765

Duodecimal: -39045

Hexadecimal: -12ff5

Square: 6054862969

Square Root: 278.94981627525766

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

Smallest of four consecutive primes whose sum is a square. A206280

Primes p such that both (p² + 5)/6 and (p⁴ + 5)/6 are prime. A253925

Primes p such that the p-1 digits of the ternary (base 3) expansion of k/p (for k=1,2,3,...,p-1) fit into the k-th row of a magic square grid of order p-1. A96660

Prime-indexed primes p such that 2·p + 1 is also a prime-indexed prime. A318294

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 24. A31612