Properties of the Number -372815

Three Hundred Seventy-Two Thousand Eight Hundred Fifteen

Basics

Value: -372816 → -372815 → -372814

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 × 173 × 431

Divisors: 1, 5, 173, 431, 865, 2155, 74563, 372815

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1011011000001001111

Octal: -1330117

Duodecimal: -15B8BB

Hexadecimal: -5b04f

Square: 138991024225

Square Root: 610.5857843088062

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

Somos's sequence {a(9,n)} defined in comment in A018896: a(0)= a(1) = ... = a(19) = 1; for n >= 20, a(n) = (a(n-1)*a(n-19) + a(n-10)²)/a(n-20). A271839

a(n) is the smallest positive integer·such that sqrt(2) + sqrt(x) is closer to an integer than any other value already in the sequence. A309815

Number of free polyominoes in the {8,3} tessellation of the hyperbolic plane. A393739