Properties of the Number 755

Seven Hundred Fifty-Five

Basics

Value: 754 → 755 → 756

Parity: odd

Prime: No

Previous Prime: 751

Next Prime: 757

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 5 × 151

Divisors: 1, 5, 151, 755

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 1011110011

Octal: 1363

Duodecimal: 52B

Hexadecimal: 2f3

Square: 570025

Square Root: 27.477263328068172

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

a(n) = n + (n+1)². A28387

Number of inseparable partitions of n; see Comments. A325535

Number of fractions in Farey series of order n. A5728

Numbers whose binary expansion is a decimal prime. A36952

Number of partitions of n such that no part is a sum of two or more other parts. A237667

Expansion of x²*(1+x-x²)/((1-x²)*(1-x)²). A24206

Numbers that are the sum of 5 positive 4th powers. A3339

Sums of distinct powers of 5. A33042

Numbers of the form 2^j + 3^k, for j and k >= 0. A4050

Numbers whose sum of digits is 17. A166370