Properties of the Number 1147

One Thousand One Hundred Forty-Seven

Basics

Value: 1146 → 1147 → 1148

Parity: odd

Prime: No

Previous Prime: 1129

Next Prime: 1151

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 31 × 37

Divisors: 1, 31, 37, 1147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111011

Octal: 2173

Duodecimal: 7B7

Hexadecimal: 47b

Square: 1315609

Square Root: 33.8673884437522

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

Products of 2 successive primes. A6094

a(n) = n*(n + 6). A28560

Number of strict integer partitions of n containing the sum of no subset of the parts. A364349

Numerator of 1/9 - 1/n². A61039

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 24. A51989

Number of integer partitions of n such that no distinct part can be written as a nonnegative linear combination of other distinct parts. A364915

a(n) = prime(2·n-1)*prime(2·n). A89581

Number of distinct possible alternating products of integer partitions of n. A347461

Number of permutations with certain forbidden subsequences. A54391

Numbers having exactly two distinct prime factors, which are also adjacent prime numbers. A256617