Properties of the Number -919681

Nine Hundred Nineteen Thousand Six Hundred Eighty-One

Basics

Value: -919682 → -919681 → -919680

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 7 ² × 137 ²

Divisors: 1, 7, 49, 137, 959, 6713, 18769, 131383, 919681

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11100000100010000001

Octal: -3404201

Duodecimal: -384281

Hexadecimal: -e0881

Square: 845813141761

Square Root: 959

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

Odd squares k for which A379113(k) > 1, i.e., k that have a proper unitary divisor d > 1 such that A048720(A065621(σ(d)),σ(k/d)) is equal to σ(k). A379121

Squares that are the sum of 3 consecutive primes. A80665

Smallest nontrivial extension of n-th palindromic prime which is a square. A30681

Rotationally ambigrammatic square numbers with no trailing zeros. A340164