Properties of the Number 42723

Forty-Two Thousand Seven Hundred Twenty-Three

Basics

Value: 42722 → 42723 → 42724

Parity: odd

Prime: No

Previous Prime: 42719

Next Prime: 42727

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 47 × 101

Divisors: 1, 3, 9, 47, 101, 141, 303, 423, 909, 4747

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010011011100011

Octal: 123343

Duodecimal: 20883

Hexadecimal: a6e3

Square: 1825254729

Square Root: 206.6954281061872

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 partitions of n having standard deviation σ > 4. A238656

Where records occur in A096287. A96729

Numbers m such that m·reversal(m) contains every decimal digit exactly once. A178929

Convolution of the prime numbers with φ(n) convoluted with σ(n). A86735

Denominators of continued fraction convergents to sqrt(891). A42723

Number of (n+1)X3 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero. A205920