Properties of the Number -315589

Three Hundred Fifteen Thousand Five Hundred Eighty-Nine

Basics

Value: -315590 → -315589 → -315588

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 315589

Divisors: 1, 315589

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -1001101000011000101

Octal: -1150305

Duodecimal: -132771

Hexadecimal: -4d0c5

Square: 99596416921

Square Root: 561.7730858629666

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

Least prime p such that the first n primes divide p²-1. A214089

a(n) is the number of squares <= 10ⁿ that are not higher powers, i.e., terms of A076467. A378168

a(n) is the smallest positive integer k such that the last n digits of 2^k are 1 or 2. A147884

a(n) = a(1) + a(2) + ... + a(n-1) - a(m) for n >= 4, where m = n - 1 - 2^p and p is the unique integer such that 2^p < n - 1 <= 2^p+1, starting with a(1) = a(2) = 1 and a(3) = 4. A49898