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Properties of the Number -27997

Twenty-Seven Thousand Nine Hundred Ninety-Seven

Basics

Value: -27998 → -27997 → -27996

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 27997

Divisors: 1, 27997

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

9108 Try Today's Challenge

Representations

Binary: -110110101011101

Octal: -66535

Duodecimal: -14251

Hexadecimal: -6d5d

Square: 783832009

Square Root: 167.32304085211933

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

Smaller member of a pair (p,q) of cousin primes such that p and q are in different centuries. A160440
Primes having only {2, 7, 9} as digits. A261182
Smallest number requiring n 1's to build using +, * and -. A255641
Prime numbers p such that π(p) + 2·p is a square. A104783
Primes with digit sum = 34. A106769
Primes related to the nondecreasing subsequence of A053666. A69802
Numbers k such that in base 2 the k-th composite is a substring of the k-th prime. A378479
Numbers k such that 219·2k+1 is prime. A32486
Primes of the form ∑k=1..n φ(prime(k)). A101302
Number of subwords of type dhju (j>=1), where u=(1,1), h=(1,0), and d=(1,-1), in all peakless Motzkin paths of length n (can be easily expressed using RNA secondary structure terminology). A190163