Properties of the Number -31351

Thirty-One Thousand Three Hundred Fifty-One

Basics

Value: -31352 → -31351 → -31350

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 107 × 293

Divisors: 1, 107, 293, 31351

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111101001110111

Octal: -75167

Duodecimal: -16187

Hexadecimal: -7a77

Square: 982885201

Square Root: 177.06213598621247

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

a(n) = a(n-1) + a(m) for n >= 4, where m = 2·n - 2 - 2^p+1 and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = 1 and a(3) = 3. A50035

The array in A059219 read by antidiagonals in 'up' direction. A59220

The array in A059219 read by antidiagonals in the direction in which it was constructed. A59235

Numbers n such that sigma₃(n) is divisible by square of cototient of n, while n is not a prime number. A91286

Number of (n+3) X 9 0..2 matrices with each 4 X 4 subblock idempotent. A224726

a(n) is the least k such that A033273(k) is equal to (A033273(n·k + 1) - 1)/n where A033273(n) is the number of nonprime divisors of n. A352256