Properties of the Number -3723

Seven Hundred Twenty-Three

Basics

Value: -3724 → -3723 → -3722

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 17 × 73

Divisors: 1, 3, 17, 51, 73, 219, 1241, 3723

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: -111010001011

Octal: -7213

Duodecimal: -21A3

Hexadecimal: -e8b

Square: 13860729

Square Root: 61.0163912403872

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

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 33", based on the 5-celled von Neumann neighborhood. A269813

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 245", based on the 5-celled von Neumann neighborhood. A271007

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 501", based on the 5-celled von Neumann neighborhood. A272567

Expansion of ∏_k>0 1/(∑_m>=0 x^k·m²). A320119

Expansion of 1/((1-x)⁴*(1+x)). A2623

a(n) = n*(n+1)*(4·n+5)/6. A16061

Triangle read by rows: number of set partitions of n elements with k connectors, 0<=k<n. A185982

Minimal (positive) solution a(n) of Pell equation a(n)² - D(n)*b(n)² = +4 with D(n)= A077425(n). The companion sequence is b(n)=A078355(n). A77428

Numbers k such that k⁴ can be written as a sum of four positive 4th powers. A3294

Values of n such that n²-2 and n²+2 are both prime. A108701