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Properties of the Number 40313

Forty Thousand Three Hundred Thirteen

Basics

Value: 40312 → 40313 → 40314

Parity: odd

Prime: No

Previous Prime: 40289

Next Prime: 40343

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 7 × 13 × 443

Divisors: 1, 7, 13, 91, 443, 3101, 5759, 40313

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001110101111001

Octal: 116571

Duodecimal: 1B3B5

Hexadecimal: 9d79

Square: 1625137969

Square Root: 200.78097519436446

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

Numbers m such that the factorizations of m..m+4 have the same number of primes (including multiplicities). A45941
Numbers m such that the factorizations of m..m+5 have the same number of primes (including multiplicities). A45942
A051838 gives numbers m such that the sum of first m primes divides the product of the first m primes. This sequence gives corresponding values of the sum of first m primes. A140763
G.f.: exp( ∑n>=1 xn/n * ∏d∣n (1 + d·xd)n ). A205484
Number of permutations of [n] having no isolated entries. An entry j of a permutation p is isolated if it is not preceded by j-1 and not followed by j+1. For example, the permutation 23178564 has 2 isolated entries: 1 and 4. A180564
Numbers in A007504 such that ω(a(n)) = ω(a(n)) = 3. A264885
Expansion of (1/x) * SeriesReversion( x*(1-x+x5) ). A366046
a(n) is the number consisting of the last n digits (although any leading 0's among those last n digits are omitted) of ∑j=1..k j! for all sufficiently large k. A45748
Numbers n such that n, n + 1, n + 2, n + 3 and n + 4 are products of exactly three primes. A268588
a(n) is the number of integers that can be represented in a 7-segment display by using only n segments (version A277116). A350440