Properties of the Number -1489

Four Hundred Eighty-Nine

Basics

Value: -1490 → -1489 → -1488

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 1489

Divisors: 1, 1489

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10111010001

Octal: -2721

Duodecimal: -A41

Hexadecimal: -5d1

Square: 2217121

Square Root: 38.58756276314948

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

List of primes produced by a certain "prime-generating" quartic polynomial. A96372

E.g.f. sqrt(1+arctan(2·x)). A191500

Greater of twin primes. A6512

Centered triangular numbers: a(n) = 3·n*(n-1)/2 + 1. A5448

Number of integer partitions of n of which every permutation has a consecutive monotone triple, i.e., a triple (..., x, y, z, ...) such that either x <= y <= z or x >= y >= z. A344654

Number of integer partitions of n without an alternating permutation. A345165

Primes p such that q = (p² + 1)/2 is also a prime. A48161

Primes that become a different prime under the mapping 7 <=> 9. A180559

Primes with only nonprime decimal digits. A34844

Primes of the form x² + 24·y². A107008