Properties of the Number -999979

Nine Hundred Ninety-Nine Thousand Nine Hundred Seventy-Nine

Basics

Value: -999980 → -999979 → -999978

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 52

Digital Root: 7

Palindrome: No

Factorization: 999979

Divisors: 1, 999979

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

7925 Try Today's Challenge

Representations

Binary: -11110100001000101011

Octal: -3641053

Duodecimal: -402837

Hexadecimal: -f422b

Square: 999958000441

Square Root: 999.9894999448744

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

Primes that contain digits 7 and 9 only. A20471

Near-repdigit primes with 9 as repeated digit. A105975

Greatest n-digit prime having at least n-1 identical digits. A241206

Primes with digit sum = 52. A106781

Largest n-digit prime with the most digits equal to 9. A178007

Moving the rightmost digit of a number to place it furthest to the left adds 18 to the number. A363823

Largest n-digit prime with all odd digits. A68694

a(n) = largest prime using least number of possible digits with a digit sum n, or 0 if no such number exists. E.g., if n > 9 and there are no two-digit primes with a given digit sum n then three-digit numbers are explored and so on. A88115