Properties of the Number 7247

Seven Thousand Two Hundred Forty-Seven

Basics

Value: 7246 → 7247 → 7248

Parity: odd

Prime: Yes

Previous Prime: 7243

Next Prime: 7253

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 7247

Divisors: 1, 7247

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110001001111

Octal: 16117

Duodecimal: 423B

Hexadecimal: 1c4f

Square: 52519009

Square Root: 85.12931340026184

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

Number of integer partitions of n such that every set of distinct parts has a different sum. A325862

a(n) = number of integer strings s(0),...,s(n) counted by array T in A026374 that have s(n)=1; also a(n) = T(2n-1,n-1). A26378

Binomial matrix applied to A111418. A126791

Primes from merging of 4 successive digits in decimal expansion of e. A104845

Primes with first digit 7. A45713

Number T(n,k) of equivalence classes of ways of placing k 4 X 4 tiles in an n X 9 rectangle under all symmetry operations of the rectangle; irregular triangle T(n,k), n>=4, 0<=k<=2·floor(n/4), read by rows. A238583

Trajectory of n under the Reverse and Add! operation carried out in base 4 (presumably) does not reach a palindrome and (presumably) does not join the trajectory of any term m < n. A75421

Primes congruent to 2 mod 23. A141908

Primes p such that (p-1)/2 and (p-3)/4 are also prime. A66179

a(0) = 2; a(n) for n > 0 is the smallest prime greater than a(n-1) that differs from a(n-1) by a square. A73609