Properties of the Number 37991

Thirty-Seven Thousand Nine Hundred Ninety-One

Basics

Value: 37990 → 37991 → 37992

Parity: odd

Prime: Yes

Previous Prime: 37987

Next Prime: 37993

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 37991

Divisors: 1, 37991

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1001010001100111

Octal: 112147

Duodecimal: 19B9B

Hexadecimal: 9467

Square: 1443316081

Square Root: 194.91280101624932

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

Balanced primes of order eleven. A96703

Least n-gap prime: a(n) = least prime p for which there is no prime between n·p and n·q, where q is the next prime after p. A195325

Least prime in A001359 (lesser of twin primes) such that the distance (A053319) to the next twin is 6·n. A52350

Primes p such that p's set of distinct digits is {1,3,7,9}. A108386

Primes p such that 2p+1, 4p+3, 6p+5 are all primes. A107020

Primes of the form k² - prime(k). A188831

Primes of the form 41+(n+n²)/2=41+A000217(n). A139219

Indices of primes in sequence defined by A(0) = 19, A(n) = 10·A(n-1) - 1 for n > 0. A102031

Lesser of twin primes of (29n + 1, 29n + 3). A248620

(Partial sums of the squarefree integers) that are prime. A194128