Properties of the Number -29881

Twenty-Nine Thousand Eight Hundred Eighty-One

Basics

Value: -29882 → -29881 → -29880

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 29881

Divisors: 1, 29881

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -111010010111001

Octal: -72271

Duodecimal: -15361

Hexadecimal: -74b9

Square: 892874161

Square Root: 172.86121600868137

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

Numbers n such that (23ⁿ+1)/24 is a prime. A57189

Primes of form n² + 10000. A256838

Beginning with 3, least prime such that concatenation of first n terms and its digit reversal both are primes. A113584

Primes p such that q-p = 36, where q is the next prime after p. A134117

Primes for which the five closest primes are smaller. A75037

List of primes generated by factoring successive integers in Sylvester's sequence (A000058). A126263

Least prime of three consecutive primes (p1,p2,p3) such that p2-p1 and p3-p2 are both perfect squares. A161002

Truncated octahedral numbers: 16·n³ - 33·n² + 24·n - 6. A5910

a(n) = numerator(b(n)), where b(1) = b(2) = 1, b(n) = (b(n-1) + b(n-2))/(n-1). A69943

Numbers k such that -3 is a quadratic residue (not necessarily coprime) modulo k, k + 1, k + 2 and k + 3. A318527