Properties of the Number 72473

Seventy-Two Thousand Four Hundred Seventy-Three

Basics

Value: 72472 → 72473 → 72474

Parity: odd

Prime: No

Previous Prime: 72469

Next Prime: 72481

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 23 ² × 137

Divisors: 1, 23, 137, 529, 3151, 72473

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001101100011001

Octal: 215431

Duodecimal: 35B35

Hexadecimal: 11b19

Square: 5252335729

Square Root: 269.2080979465514

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) is the least number k that A074389(k) = n. A74390

Numbers k such that 363·2^k+1 is prime. A323006

a(n) = prime(2·n) - prime(n). A72473

Number of (2+1) X (n+1) arrays of permutations of 0..n·3+2 with each element having directed index change 0,0 0,1 1,0 -1,0 or 0,-2. A264219

Tetraprime numbers differing by more than 3 from any other squarefree number. A369238