Properties of the Number 30120

Thirty Thousand One Hundred Twenty

Basics

Value: 30119 → 30120 → 30121

Parity: even

Prime: No

Previous Prime: 30119

Next Prime: 30133

Digit Sum: 6

Digital Root: 6

Palindrome: No

Factorization: 2 ³ × 3 × 5 × 251

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 111010110101000

Octal: 72650

Duodecimal: 15520

Hexadecimal: 75a8

Square: 907214400

Square Root: 173.5511451993331

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

Starting from generation 8 add previous and next term yielding generation 9. A48455

a(n) is the concatenation of n and 4n. A19552

a(n) = 1·2*3·4*5 - 6·7*8·9*10 + 11·12·13·14·15 - ... + (up to n). A319545

a(n) = 5·4*3·2*1 - 10·9*8·7*6 + 15·14·13·12·11 - 20·19·18·17·16 + ... - (up to the n-th term). A319888

a(n) = T(n,n+2), T given by A027052. A27053

Numbers k such that A276086(k)+1 is a perfect power (A001597), where A276086 is the primorial base exp-function. A379962

Number of asymmetric mobiles (circular rooted trees) with n nodes and 3 leaves. A55364

E.g.f.: A(x) = x + sin(A(x)²). A226758

"Inside numbers". Pick a term "t" and one of its digits "d". Now jump to the right over d digits if "d" is odd, and to the left over d digits if "d" is even. Whatever the "d" you choose, you will stay on "t". A284515

Numbers k such that A276086(k)-1 or A276086(k)+1 is a perfect power (A001597), where A276086 is the primorial base exp-function. A379960