Properties of the Number -311787

Three Hundred Eleven Thousand Seven Hundred Eighty-Seven

Basics

Value: -311788 → -311787 → -311786

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ³ × 101

Divisors: 1, 3, 7, 9, 21, 49, 63, 101, 147, 303

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -1001100000111101011

Octal: -1140753

Duodecimal: -130523

Hexadecimal: -4c1eb

Square: 97211133369

Square Root: 558.3789036129499

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

Triangular array of coefficients of polynomials p(n,k) defined in Comments. A248664

Triangular array of coefficients of polynomials p(n,x) defined in Comments; these are the polynomials defined at A248664, but here the coefficients are written in the order of decreasing powers of x. A248665

a(1) = 1, a(n) = smallest multiple of a(n-1) such that every partial concatenation (n >1) is a prime. A88088