Properties of the Number -776161

Seven Hundred Seventy-Six Thousand One Hundred Sixty-One

Basics

Value: -776162 → -776161 → -776160

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 881 ²

Divisors: 1, 881, 776161

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -10111101011111100001

Octal: -2753741

Duodecimal: -315201

Hexadecimal: -bd7e1

Square: 602425897921

Square Root: 881

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

Squares whose digits occur with an equal minimal frequency of 2. A52050

Indices of pentagonal numbers (A000326) that are also squares (A000290). A46172

Squares that are the sum of 3 consecutive primes. A80665

Squares of lesser of twin primes. A108570

Square numbers in A070552. A263951

a(n) = (1-2·n²)². A239607

Sieve performed by successive iterations of steps where step m is: keep m terms, remove the next 5 and repeat; as m = 1,2,3,.. the remaining terms form this sequence. A112563

Numbers k such that concat(k, d(k)) and concat(d(k), k) are both prime, where d(k) is the number of divisors of k. A284643

Composite numbers whose prime factors contain no digits other than 1 and 8. A36308

Squares composed of digits {1,6,7}. A53907