Properties of the Number -387749

Three Hundred Eighty-Seven Thousand Seven Hundred Forty-Nine

Basics

Value: -387750 → -387749 → -387748

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 38

Digital Root: 2

Palindrome: No

Factorization: 387749

Divisors: 1, 387749

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

375 Try Today's Challenge

Representations

Binary: -1011110101010100101

Octal: -1365245

Duodecimal: -168485

Hexadecimal: -5eaa5

Square: 150349287001

Square Root: 622.6949493933606

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

Square array A(n, k) read by antidiagonals, where A(n, 1) = prime(n) and for k > 1, A(n,k) is the smallest prime base to which A(n,k-1) is a Wieferich prime. A249162

a(1) = 2. For n > 1, a(n) = smallest prime q such that q^a(n-1-1) == 1 (mod a(n-1)²). A355597