Properties of the Number -670761

Six Hundred Seventy Thousand Seven Hundred Sixty-One

Basics

Value: -670762 → -670761 → -670760

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 7 ² × 13 ²

Divisors: 1, 3, 7, 9, 13, 21, 27, 39, 49, 63

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100011110000101001

Octal: -2436051

Duodecimal: -284209

Hexadecimal: -a3c29

Square: 449920319121

Square Root: 819

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

Discriminants with at least 2 associated cyclic cubic fields. A343024

Odd squares in which parity of digits alternates. A30156

Perfect squares k such that each decimal digit of k is equal to the difference of at least two other digits of k. A255893

Odd squares k, multiples of 3 and non-multiples of 5, such that σ(k)/k >= 5/3. A388016

Squares of odd square pyramidal numbers. A14797

Smallest number having n divisors ending with 1 or 9. A85645

Number of subsets of {1,2,...,n-12} without differences equal to 2, 4, 6, 8, 10 or 12. A224813

a(n) = ( n*(n + 1)*(2·n + 1)/6 )². A271535

Smallest number having exactly n divisors ending with 3 or 7. A331082

Squares such that digits of sqrt(n) are not present in n^3/2. A29788