Properties of the Number 1273

One Thousand Two Hundred Seventy-Three

Basics

Value: 1272 → 1273 → 1274

Parity: odd

Prime: No

Previous Prime: 1259

Next Prime: 1277

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 19 × 67

Divisors: 1, 19, 67, 1273

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10011111001

Octal: 2371

Duodecimal: 8A1

Hexadecimal: 4f9

Square: 1620529

Square Root: 35.679125549822544

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

a(n) = binomial(n+1, 2) + n - 1 = n*(n+3)/2 - 1. A34856

The "comma sequence": the lexicographically earliest sequence of positive numbers with the property that the sequence formed by the pairs of digits adjacent to the commas between the terms is the same as the sequence of successive differences between the terms. A121805

a(n) is the number of partitions of 2n that can be obtained by adding together two (not necessarily distinct) partitions of n. A2219

a(n) = n·prime(n). A33286

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 4.6.12 2D tiling (cf. A072154). A299258

Numbers that are the sum of 8 positive 5th powers. A3353

A000120-perfect numbers. A175522

Number of ways to split an integer partition of n into consecutive subsequences with equal sums. A317715

Numbers of the form n*(7n+-1)/2. A57570

Number of partitions of n with parts >= 8. A185328