Properties of the Number 40013

Forty Thousand Thirteen

Basics

Value: 40012 → 40013 → 40014

Parity: odd

Prime: Yes

Previous Prime: 40009

Next Prime: 40031

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 40013

Divisors: 1, 40013

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1001110001001101

Octal: 116115

Duodecimal: 1B1A5

Hexadecimal: 9c4d

Square: 1601040169

Square Root: 200.032497359804

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

Smaller of two consecutive primes which are anagrams of each other. A69567

Primes remaining prime if any digit is deleted (zeros allowed). A51362

List of Ormiston prime pairs. A72274

Frobenius number of the numerical semigroup generated by 3 consecutive triangular numbers. A69755

Primes of the form k² + 13. A138375

Primes where the first digit equals the sum of all the other digits. A156307

Smaller prime p in Ormiston pairs (p, q) with q - p = 18. A163678

Total number of inversions in all partitions of n into distinct parts. A271371

Primes p such that A001175(p) = 2*(p+1)/9. A308786

Primes with property that when cubed all even digits occur together and all odd digits occur together. A30482