Properties of the Number -137638

One Hundred Thirty-Seven Thousand Six Hundred Thirty-Eight

Basics

Value: -137639 → -137638 → -137637

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 68819

Divisors: 1, 2, 68819, 137638

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100001100110100110

Octal: -414646

Duodecimal: -6779A

Hexadecimal: -219a6

Square: 18944219044

Square Root: 370.9959568512843

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

Coefficients of 1/sqrt(1-4·x-8·x²); also, a(n) is the central coefficient of (1+2·x+3·x²)ⁿ. A84609

Square array of expansions of 1/sqrt(1-4x-4·k*x²), read by antidiagonals. A110135