Properties of the Number -137842

One Hundred Thirty-Seven Thousand Eight Hundred Forty-Two

Basics

Value: -137843 → -137842 → -137841

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 41 ³

Divisors: 1, 2, 41, 82, 1681, 3362, 68921, 137842

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -100001101001110010

Octal: -415162

Duodecimal: -6792A

Hexadecimal: -21a72

Square: 19000416964

Square Root: 371.2707906636341

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) = 2·n³. A33431

Numbers k such that k | 9^k + 1. A15957

a(n) = 2·prime(n)³. A172190

a(n) = floor(1/{(2+n⁴)^1/4}), where {} = fractional part. A184537

Composites which use less than all of their digits in their prime factorization. A74211

Numbers n such that n | 3ⁿ^2 + 1. A93666

a(n) = 2*(n² + 3·n + 1)³. A109118

Number of 2 X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 neighboring 1s. A297432