Properties of the Number -2774

Seven Hundred Seventy-Four

Basics

Value: -2775 → -2774 → -2773

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 19 × 73

Divisors: 1, 2, 19, 38, 73, 146, 1387, 2774

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -101011010110

Octal: -5326

Duodecimal: -1732

Hexadecimal: -ad6

Square: 7695076

Square Root: 52.66877632905477

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

Expansion of (1-x-x^N)/((1-x)(1-x²)(1-x³)...(1-x^N)) for N = 9. A60028

a(n) = n*(2·n-3). A14107

Number of winning length n strings with a 2-symbol alphabet in "same game". A35615

Numbers k such that φ(k) is a perfect biquadrate. A78164

a(n) = 2·n*(4·n-3). A139271

Numbers k such that [A070080(k), A070081(k), A070082(k)] is an integer triangle with integer area. A70142

T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 0 vertically. A207661

Number of conjugacy classes in the symmetric group S_n with distinct cardinality. A73906

a(n)=ceiling( ∑_i=1..n-1 a(i)/6), a(1)=1. A120178

A033585(n) followed by A139271(n+1). A139592