Properties of the Number 1290

One Thousand Two Hundred Ninety

Basics

Value: 1289 → 1290 → 1291

Parity: even

Prime: No

Previous Prime: 1289

Next Prime: 1291

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 43

Divisors: 1, 2, 3, 5, 6, 10, 15, 30, 43, 86

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10100001010

Octal: 2412

Duodecimal: 8B6

Hexadecimal: 50a

Square: 1664100

Square Root: 35.91656999213594

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

Average of twin prime pairs. A14574

Products of exactly four distinct primes. A46386

Number of different products of partitions of n; number of partitions of n into prime parts (1 included); number of distinct orders of Abelian subgroups of symmetric group S_n. A34891

List of codewords in binary lexicode with Hamming distance 4 written as decimal numbers. A75928

Coordination sequence for "pcu-i" 3D uniform tiling. A299277

Number of strict integer partitions of n with no adjacent parts having quotient > 2. A342095

Number of compositions (ordered partitions) of n into distinct odd parts. A32021

a(n) = 30·n. A249674

Powers of cube root of 2 rounded down. A17979

Numbers that are divisible by exactly four different primes. A33993