Properties of the Number -48991

Forty-Eight Thousand Nine Hundred Ninety-One

Basics

Value: -48992 → -48991 → -48990

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 48991

Divisors: 1, 48991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1011111101011111

Octal: -137537

Duodecimal: -24427

Hexadecimal: -bf5f

Square: 2400118081

Square Root: 221.33910635041428

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

Right-truncatable, reversible primes in base 16. A238851

Minimal natural number (in decimal representation) with n prime substrings in base-4 representation (substrings with leading zeros are considered to be nonprime). A217304

Number of arrays of 4 integers in -n..n with sum zero and equal numbers of elements greater than zero and less than zero. A201812

Primes of the form 10n² - 9. A201964

Greatest number (in decimal representation) with n nonprime substrings in base-4 representation (substrings with leading zeros are considered to be nonprime). A217114

Numbers n such that φ(reversal(n)) = reversal(φ(n)). Ignore leading 0's. A69282

Primes that are exactly between the nearest square and the nearest triangular number. A233443