Properties of the Number 42403

Forty-Two Thousand Four Hundred Three

Basics

Value: 42402 → 42403 → 42404

Parity: odd

Prime: Yes

Previous Prime: 42397

Next Prime: 42407

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 42403

Divisors: 1, 42403

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010010110100011

Octal: 122643

Duodecimal: 20657

Hexadecimal: a5a3

Square: 1798014409

Square Root: 205.91988733485653

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

Larger of 3 consecutive prime numbers such that p1·p2·p3 + d1 + d2 - 1 = average of twin prime pairs, d1 (δ) = p2 - p1, d2 (δ) = p3 - p2. A153405

n written in fractional base 6/4. A24637

Indices of primes in sequence defined by A(0) = 61, A(n) = 10·A(n-1) + 21 for n > 0. A101525

Primes (up to the sign) which are values of the polynomial (n⁵ - 133·n⁴ + 6729·n³ - 158379·n² + 1720294·n - 4·1733549)/4, in the order of increasing n. A177695

Primes in A239237. A361252

Denominators of continued fraction convergents to sqrt(728). A42403