Properties of the Number 4642

Four Thousand Six Hundred Forty-Two

Basics

Value: 4641 → 4642 → 4643

Parity: even

Prime: No

Previous Prime: 4639

Next Prime: 4643

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 211

Divisors: 1, 2, 11, 22, 211, 422, 2321, 4642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001000100010

Octal: 11042

Duodecimal: 282A

Hexadecimal: 1222

Square: 21548164

Square Root: 68.13222438758329

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

Number of condensed integer partitions of n. A239312

Fifth spoke of a hexagonal spiral. A56109

The n-th n-gonal number: a(n) = n*(n² - 3·n + 4)/2. A60354

Generalized 22-gonal (or icosidigonal) numbers: m*(10·m - 9) with m = 0, +1, -1, +2, -2, +3, -3, ... A303299

Smallest number whose cube has n digits. A18005

Composite numbers k such that the digits of the prime factors of k are either 1 or 2. A36302

Powers of cube root of 10 rounded to nearest integer. A18004

a(n) = n³ - 4·n² + 6·n - 2. A188377

Numbers k such that k!!!!! + 1 is prime. A85148

22-gonal numbers: a(n) = n*(10·n-9). A51874