Properties of the Number -7231

Two Hundred Thirty-One

Basics

Value: -7232 → -7231 → -7230

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 7 × 1033

Divisors: 1, 7, 1033, 7231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110000111111

Octal: -16077

Duodecimal: -4227

Hexadecimal: -1c3f

Square: 52287361

Square Root: 85.03528679318957

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

Number of 2 X 2 singular integer matrices with elements from {0,...,n}. A59306

Sum of the third largest parts of the partitions of n into 9 squarefree parts. A326530

(1/8) * number of ways to select 3 distinct points forming a triangle of unsigned area = 1 from a square of grid points with side length n. A320544

a(n) is the number of 4 element sets of distinct integer sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units. A389392

Number of primes of the form x⁸ + 1 less than 10ⁿ. A214454

Numbers m such that 8^m reversed is prime. A350442

Number of integer partitions of n whose semi-sums cover an interval of positive integers. A367402

Odd numbers which are factored to the same set of primes in Z as to the irreducible polynomials in GF(2)[X]; odd terms of A235036. A235039

Fibonacci sequence beginning 3, 10. A22122

Start with 1 and repeatedly reverse the digits and add 15 to get the next term. A118532