Properties of the Number 1481

One Thousand Four Hundred Eighty-One

Basics

Value: 1480 → 1481 → 1482

Parity: odd

Prime: Yes

Previous Prime: 1471

Next Prime: 1483

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 1481

Divisors: 1, 1481

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10111001001

Octal: 2711

Duodecimal: A35

Hexadecimal: 5c9

Square: 2193361

Square Root: 38.48376280978771

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

Lesser of twin primes. A1359

Sophie Germain primes p: 2p+1 is also prime. A5384

Number of partitions of n into relatively prime parts. Also aperiodic partitions. A837

Primes of the form 2x² + 2xy + 17y². A139827

a(n) = n + (n+1)². A28387

Prime quadruples: numbers k such that k, k+2, k+6, k+8 are all prime. A7530

Initial members of prime triples (p, p+2, p+6). A22004

Initial members p of prime 5-tuples (p, p+2, p+6, p+8, p+12). A22006

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

Prime triples: p; p+2 or p+4; p+6 all prime. A7529