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Properties of the Number 39829

Thirty-Nine Thousand Eight Hundred Twenty-Nine

Basics

Value: 39828 → 39829 → 39830

Parity: odd

Prime: Yes

Previous Prime: 39827

Next Prime: 39839

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 39829

Divisors: 1, 39829

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1001101110010101

Octal: 115625

Duodecimal: 1B071

Hexadecimal: 9b95

Square: 1586349241

Square Root: 199.5720421301541

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

Primes of form n2 + 625. A256777
Wiener index of a benzenoid consisting of a spiral chain of n hexagons (s=1; see the Gutman et al. reference). A193391
Primes that remain prime through 3 iterations of function f(x) = 7x + 6. A23290
Greater of twin self primes, i.e., larger member of the pair of self primes differing by 2. A380715
Primes (with d digits, say) that generate another prime when acted on by the "standard" superpermutation of length A007489(d) of d elements (cf. comment). A244311
Prime numbers followed by two consecutive numbers which are products of four distinct primes (or tetraprimes). A362578
Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 15. A31603
Number of strings of numbers x(i=1..7) in 0..n with sum i2*x(i)2 equal to n2*49. A184245
Smallest b > 1 such that the first n primes p (i.e., A000040(1)-A000040(n)) all satisfy bp-1 == 1 (mod p2), i.e., smallest base b larger than 1 such that any member of the set of first n primes is a base-b Wieferich prime. A256236
Number of different coefficient values in expansion of ∏i=1..n (1 + (-q)i). A39829