Properties of the Number 1207

One Thousand Two Hundred Seven

Basics

Value: 1206 → 1207 → 1208

Parity: odd

Prime: No

Previous Prime: 1201

Next Prime: 1213

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 17 × 71

Divisors: 1, 17, 71, 1207

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010110111

Octal: 2267

Duodecimal: 847

Hexadecimal: 4b7

Square: 1456849

Square Root: 34.741905532080416

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 k such that (7·10^k + 71)/3 is prime. A270831

Number of partitions of n into parts 5k+2 or 5k+3. A3106

Number of elements in the set {(x,y): 1 <= x,y <= n, gcd(x,y)=1}. A18805

Generalized 10-gonal numbers: m*(4·m - 3) for m = 0, +- 1, +- 2, +- 3, ... A74377

Second 10-gonal (or decagonal) numbers: n*(4·n+3). A33954

Odd numbers not of form p + 2^k (de Polignac numbers). A6285

Number of partitions of n of order n. A74761

Number of refinement-ordered pairs of strict integer partitions of n. A317142

The main column of a version of the square spiral. A156859

A000120-perfect numbers. A175522