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Properties of the Number 30637

Thirty Thousand Six Hundred Thirty-Seven

Basics

Value: 30636 → 30637 → 30638

Parity: odd

Prime: Yes

Previous Prime: 30631

Next Prime: 30643

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 30637

Divisors: 1, 30637

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111011110101101

Octal: 73655

Duodecimal: 15891

Hexadecimal: 77ad

Square: 938625769

Square Root: 175.03428235634297

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) = n·a(n-1) + (n-3)*a(n-2), with a(1) = 0, a(2) = 1. A261
Triangle T(n, k), read by row, related to Euler's difference table A068106 (divide column k of A068106 by k!). A86764
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 2, 3 or 4 king-move adjacent elements, with upper left element zero. A297915
Table T(n,k) giving number of ways of obtaining exactly 0 correct answers on an (n,k)-matching problem (1 <= k <= n). A76731
a(n) = (1/n!)*A023043(n). A94795
T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north or northeast neighbor modulo n and the upper left element equal to 0. A266599
T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its west or southwest neighbor modulo n and the upper left element equal to 0. A267072
Primes of the form 666·n + 1. A37029
Triangular array formed from successive differences of factorial numbers, then with factorials removed. A60475
Numbers which are primes and which remain prime for three successive applications of incrementing each digit by 2 with carries ignored. A88787