Properties of the Number -7147

One Hundred Forty-Seven

Basics

Value: -7148 → -7147 → -7146

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 7 × 1021

Divisors: 1, 7, 1021, 7147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101111101011

Octal: -15753

Duodecimal: -4177

Hexadecimal: -1beb

Square: 51079609

Square Root: 84.53993139339539

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

a(n) = floor(nⁿ / n!). A55775

a(1) = 3; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A33681

a(1) = 668; for n > 1, a(n) = a(n-1) + 1 + sum of distinct prime factors of a(n-1) that are < a(n-1). A105212

a(1)=1; a(n) = a(n-1) + [sum of all decimal digits present so far in the sequence]. A72921

Number of compositions of n into parts with multiplicity not larger than 6. A243084

T(n,m)=Number of (n+1)X2 0..m arrays with every 2X2 subblock commuting with each of its vertical 2X2 subblock neighbors. A187363

3ⁿ mod 10000. A216097

Expansion of e.g.f. (1+x) * exp(x*(1+x)²). A377963

Number of connected components, not counting isolated vertices, of the blet graph for n coins. A381813