Properties of the Number 3644

Three Thousand Six Hundred Forty-Four

Basics

Value: 3643 → 3644 → 3645

Parity: even

Prime: No

Previous Prime: 3643

Next Prime: 3659

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 911

Divisors: 1, 2, 4, 911, 1822, 3644

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 111000111100

Octal: 7074

Duodecimal: 2138

Hexadecimal: e3c

Square: 13278736

Square Root: 60.36555309114628

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)-th and (a(n)+1)-st primes are the first pair of primes that differ by exactly 2n; a(n) = -1 if no such pair of primes exists. A38664

Number of integer partitions of n with no pair of consecutive parts relatively prime. A328187

Differences between successive 8-digit distinct digit primes. A74666

Plaindromes: numbers whose digits in base 3 are in nondecreasing order. A23745

Sum of reciprocals of digits = 1. A37268

Positions of 15 after decimal point in decimal expansion of π. A134215

Numbers of the form i·9^j-1 (i=1..8, j >= 0). A140576

Numbers k such that k⁸ == 1 (mod 9³). A56084

Main diagonal of the square array A347270. A347272

a(n) = 5·n² - 1. A134538